Smileyum, with the symbol Sy, and frownium, with the symbol En, are fictitious nonmetal elements. What is the name for Sy3Fn4? O smileyum frownide O smileyum frownium O smileyum(III) frownide O smileyum(I) frownium(IV) O trismileyum tetrafrownide
Q: 2.1. A neutral atom has the following electronic configuration: 1s 2s 2p° 3s 3p (a). How many…
A: Given electronic configuration : 1s2 2s2 2p6 3s2 3p5
Q: 3. If "Ga and "Ga occur in the %'s 62.1 and 37.9, calculate the average atomic mass of gallium…
A: Solution of question 3 Given, The abundance of 69Ga = 62.1% The abundance of 71Ga = 37.9% Formula…
Q: Given the following information about two elements X and Y of the same group. Element Atomic…
A:
Q: Do both members of the following pairs have the samenumber of protons? Neutrons? Electrons?(a)¹⁶₈O…
A:
Q: A main group element with the valence electron configuration 2s22p3 is in periodic group__________…
A: Given electronic configuration is 2s22p3
Q: Please calculate, how many atoms exist in 1cm^3 of copper with the density 8,93 gr/cm^3 and the…
A: 1 cm3 of copper with the density 8.93 g/cm3, whose number of atoms is to be determined.
Q: The periodic table is organized such that elements in the same group have the same ionic charge.…
A:
Q: Atomic Radii of the First 86 Elements 300 250 200 150 50 10 Atomic Number .Whais tha ganora trond…
A: As per our guidelines we can only solve first three sub-parts. Please resubmit the other questions…
Q: Identify the element in period 3 with the following successive ionization energies (IEs) in kJ/mol.…
A: According to the question, we need to identify the element with above mentioned ionization energy.…
Q: In which set of elements would all members be expected to have very similar chemical properties? A…
A: similar chemical properties will be shown by the elements that have similar structure, similar…
Q: A newly discovered element has the name decembrium and the symbol D Decembrium is an alkali metal.…
A: ->Alkali metal has only 1 electron in ns orbital after donation of the electron it becomes stable…
Q: Assuming that the seventh period of the periodictable has 32 members, what should be the…
A: Atomic number is the unique property of the compound. It is basically the no. of protons that are…
Q: l/east.cengagenow [References) Naturally occurring element X exists in three isotopic forms: X-28…
A: Isotopes of an element is used for calculating the average atomic mass of an element. The average…
Q: An atomic anion with a charge of – 1 has the following electron configura 1s²2s²2p° What is the…
A: Anion is formed by gain of electrons.
Q: Write the symbol for the monatomic ion that has a charge of-1 and the condensed electron…
A: • We need to write the symbol for the monoatomic ion that has a charge of -1 and the condensed…
Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°4s²3a1O4p°.…
A: Electronic configuration is distribution of electrons in orbitals of an atom. Atomic number is…
Q: Be sure to answer all parts. Identify the element below and give the symbols of the other elements…
A: The given element is [Ar] 4s23d7 As, Atomic Number = Total Number of electrons Ar has atomic number…
Q: Explain the similarities and differences as compared to element 118 Og if a new element was…
A: A question based on periodic trends that is to be accomplished.
Q: Protons and neutrons have Mass .......... .... wwwww less O equal O high O Other O specific metal…
A: Atomic weight = 180gm/mole Density =16.6 gm/cm^3 ->it is BCC structure.
Q: A main group element with the valence electron configuration 4s24p4 is in periodic group ______ .It…
A: The outer electronic configuration of the element is 4s2 4p4. This implies that it has 6 electrons…
Q: How many protons are in the nucleus of an atom of each.( put between each number ex, 12,24,10,5,3…
A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…
Q: You have made up a new non-metal element, Lolium, and produced a gaseous compound from it with a…
A:
Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°4s²3d104p…
A: Ion is the charged species obtained by loss or gain of electrons. When an atom lose electrons it…
Q: AFAlpOLSdhkT-CABCXZZX-Sutkvr41IYOK1qFdA058qTWJIUboovIH-Cg/viewform?hr_submission ChkigLW7 w folder…
A: Atoms are the building blocks of elements.
Q: Fill in the blanks:(a) The symbol and atomic number of the heaviest nonradioac-tive noble gas are…
A: The periodic table is the representation of elements that are arranged by atomic number, electronic…
Q: Naturally occurring magnesium has the following isotopicabundances: Isotope Abundance (%)…
A:
Q: Discussing this chapter, a classmate says, “Since elementsthat form cations are metals and elements…
A: The given data: The given statement is - Since elements that form cations are metals and elements…
Q: a ) Eva l u a te t h e expre s s i o n s 2 x 1, 2 x (1 + 3),2 x(1 + 3 + 5), and 2 x (1 + 3 + 5 + 7).…
A: In the expression, the total number of valence electron is calculated in which 2 is the number of…
Q: A main group element with the valence electron configuration 5s1 is in periodic group_______ .It…
A: The outer electronic configuration of the element is 5s1. This implies that it has 1 electrons in…
Q: The ground state of Tin (heavy atom) is ²D3/2, calculate the value of uj?
A: The given ground state of Tin is the ground state term symbol. It defines the state of the electron…
Q: Arrange the following elements according to the increase in their atomic sizes; (0, S, Se) S> Se >0…
A: Atomic radius: The atomic radius of an element decreases as we move from left to right in a period…
Q: 1- Write the empirical formula for at least four ionic compounds that could be formed from the…
A: Dear student as per guidelines allowed to answer one question so I answering first question MnO4-=…
Q: Not a member of the Noble Gases * Ar Bi Хе O Kr Not a member of the Halogen Family * O F At In Which…
A:
Q: 6. How many protons, electrons, and neutrons does "K* have
A:
Q: In the symbol 48TI2* represents an atom or ion with protons, neutrons, and electrons.
A: The electronic configuration of neutral Ti = [Ar]3d24s2 To convert Ti----> Ti2+ , It loses 2…
Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°. This ion is…
A: A monoatomic ion with a charge of +1 has an electronic configuration of 1s22s22p63s23p6.
Q: Q.8(a) Why is platinum called noble metal? How would you explain its noble character?
A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question.…
Q: An isotope of element Z has a symbol of Z-390 with a charge of - 1. If the element Z has 197…
A:
Q: Consider the stable elements through lead (Z = 82). Inhow many instances are the atomic weights of…
A: Up to Z=82, there are three instances where atomic weights of the elements is reverse out of order…
Q: What statement is false about the element magnesium. O Magnesium forms a +1 ion. O Magnesium has 2…
A: Atomic number of Magnesium is 12 Symbol of Magnesium is Mg
Q: What is the electron configurationof the He2+ ion?
A: Electron configuration is the distribution of electrons of an atom or molecule in an atomic or…
Q: Give answers of the following. a. Which halogen is used for treating domestic water supplies and…
A: Chlorine(Cl) is used for treating domestic water supplies and swimming pool water. Chlorine is added…
Q: -a)Identify the following elements by condensed elcotron contiqurations of the element.) neutral…
A: To solve this problem first we have to count the total number of electrons to know it's atomic…
Q: From the following list of elements—Ar, H, Ga, Al, Ca, Br, Ge, K,O—pick the one that best fits each…
A: The elements are classified on the basis of their atomic numbers in the periodic table. It was first…
Q: Write isotopic symbols in the form X–A (e.g., C-13) for the given isotope. the hydrogen isotope with…
A: Isotopes are atoms of same elements which have same atomic number but different mass number. In…
Q: An element with the valence electeon configuration 4s1 would form a monatomic ion with a charge of…
A: Valence electrons are electrons that are present in outermost shell of an atom. Elements in a each…
Q: Q4: What is the effective nuclear charge (52TE). on electrons in a 4s, 5s and 4d for tellurium…
A: Electronic Configuration of Te, Tellurium =52 = 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 4p6, 4d10,5s2, 5p4…
Q: What is the average atomic weight for a hypothetical element "Q" which is composed of the following…
A: The following data are given for the hypothetical element Q: The atomic mass of 1st the isotope, M1…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 2-102 An element consists of 90.51% of an isotope with a mass of 19.992 amu, 0.27% of an isotope with a mass of 20.994 amu, and 9.22% of an isotope with a mass of 21.990 amu. Calculate the average atomic mass and identify the element.estnavclient.psonsvc.net/#/question/8180ba9a-f6b3-4f59-8038-7c101346eedc/6e9b3589-916b-4d10-aeec-2 Review - A Bookmark Chemistry Unit 4_the Periodic Table(Fall2020) / 2 of 30 An atom has two valence electrons, but four shells. This element is a member of which group or family? O A. halogen B. noble gas C. alkaline earth metal D. alkali metalChrome File Edit View History Bookmarks Profiles Tab Window Help 31% Fri 10:35 PM sciencenotes.org 101 Chem101 Identify the region o x b My Questions | bart X CHEM 111-Ch 3 Flas X + 1 18 Update : IA VIIIA app.101edu.co 1A 8A Periodic Table of the Elements -1, +1 Apps M Gmail" YouTube Translate P MyLabsPlus | Pear... TE MYTCC Blcackboard Reading List H Не >> 2 13 IIIA ЗА 14 15 16 17 IIA IVA VA VIA VIIA Hydrogen 1.008 Atomic Number Helium 4.003 Valence 2A 4A 6A 5,-3,-3 8 5A 7A 4 5 +4,+3,+2,+1 -110 +1 +2 +3 3 7 Symbol 4,-3 -2,-1 Question 18 of 50 Submit Li Ве F Ne Lithium 6.941 Beryllium 9.012 Carbon Oxygen 15.999 Boron Nitrogen 14.007 Fluorine 18.998 Neon 20.180 Name Atomic Mass +4,-4 15 *5,*3,-3 16*6,+4,+2,-217*7.+5,+3,1 18 +1 +2 13 +3 11 12 14 Na Mg AI Si ci| Ar 3 IIIB ЗВ 4 IVB 4B 6 VIB 6B 7 VIIB 7B 8 10 Identify the region of the electromagnetic spectrum where the wavelength VB 5B VI 8 11 IB 1B 12 IB 2B Magnesium 24.305 Silicon 28.086 Sulfur 32.066 Chlorine 35.453 Argon 39.948…
- 17 CO .. Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in order of decreasing size. atoms or ions in order of decreasing size atoms or ions Ne, 0, 0²- 0.0.0 CI , Br ,F 0.0.0 Ве, в, в 0.0.0 Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy | Accessibility 11 MacBook Air esc 888 DD 4) F2 F3 FA FS F6 F9 F10 11 @ %23 2$ & 2 3 4. 6. 8. 6. W T Y. 0. tabN-1270-Science 10-001-2022 W ard / My courses / SCN-1270-O01-10716-2022 Wtr / Chemistry- Unit on 2 omplete How many neutrons in Helium? He ed out of ag question Answer: Check revious page - Atoms, Elements and Bonds - 1-2 Jump to... You are logged in as Eishady Kebreabe (Log out) SCN-1270-O01-10716-2022 WtrFile Edit View History Bookmarks People Tab Window Help * * 1% O E Mcc Dashboar x - Buy Essay x G find some x O Periodic TX A ALEKS - J X Muc Chapter 5 x G convert CX A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNsIkr7j8P3jH-IQiHqRdYV_6Ux63SypJXz0Coxvwqgg4JkWI74Meq7fCi1Pjl. * O GASES Calculating partial pressure in a gas mixture Jacqueline v Search r jacqueh mail.goo A 9.00 L tank at 7.29 °C is filled with 11.5 g of carbon dioxide gas and 3.05 g of dinitrogen monoxide gas. You can assume both gases behave as ideal gases under these conditions. Profile - web.robl Cuteding of the mi Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits. Virtual E - Roblox web.robl Virtual B mole fraction: group on carbon dioxide Manage partial pressure: atm A appleid. Your App account mole fraction: dinitrogen monoxide partial pressure: Total pressure in tank: atm 124 回 山回 II
- Chrome File Edit View History Bookmarks People Tab Window Help 14% O Hcc Dashboar x E Buy Essay x G find some x © Periodic TX A ALEKS - J X Hcc Chapter 5 x G convert C X + G A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQİHQRDYV 6Ux63SypJXzOCoxvwqgg4JkWI77rzDGvdXC. es O GASES Jacqueline v Interconverting molar mass and density of ideal gases S Search jacqueh mail.goo tan A sample of an unknown compound is vaporized at 200. °C. The gas produced has a volume of 1760. mL at a pressure of 1.00 atm, and it weighs 1.54 g. Profile - web.robl Cuteding of the mi R Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. Virtual E - Roblox web.robl Virtual B group on A 20 R mol Manage side M appleid.a Your App account Suppo TA nu Explanation Check IIV Student Portal - Seattle x C Clever | Portal E Class Score Detail 9 Schoology N Chemistry A - Period 6 x A districtims.seattleschools.org/common-assessment-delivery/start/4732295265?action3Donresume&submissionld%=D443170581 Use the pictures below to the answer question. Choose the two elements located on the second group (column) of the periodic table O 3 O 4 O 5 O 6 Schoology- Googl. O O O 0 O OTab Window Help Chrome File Edit View History Bookmarks People a Periodic T x A ALEKS - J x Hcc Chapter 6 x G convert c X E Buy Essay x G find some x MUc Dashboar x A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQİHQRDYV_6Ux63SypJXz0Coxvwqgg4JkWI7YlnReNOu5.. O GASES Jacqueline -- Using the ideal equation of state A reaction between liquid reactants takes place at 4.0 °C in a sealed, evacuated vessel with a measured volume of 35.0 L. Measurements show that the reaction produced 31. g of carbon monoxide gas. Calculate the pressure of carbon monoxide gas in the reaction vessel after the reaction. You may ignore the volume of the liquid reactants. Round your answer to 2 significant digits. pressure: atm Explanation Check 2021 McGraw Hill Education. All Rights Reserved Terms of Use Privacy Accessibility MacBook Air esc 000 F2 F3 F4 F5
- me File Edit View History Bookmarks People Tab Window Help HCc Dashboar x E Buy Essay x 5% O G find some x © Periodic A ALEKS - J X HUc Chapter 5 x G convert C A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQİHQRDYV_6Ux63SypJXz0Coxvwqgg4JkWI74Meq7fCi1Pj.. O GASES Search Calculating partial pressure in a gas mixture S jacquehr mail.goo Jacqueline Profile - web.robl Cuteding of the mi A 9.00 L tank at 3.36 °C is filled with 13.2 g of boron trifluoride gas and 9.61 g of dinitrogen difluoride gas. You can assume both gases behave as ideal gases under these conditions. R Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits. Virtual E R - Roblox web.robl Virtual B group on mole fraction: dh boron trifluoride Manage appleid.a Your App partial pressure: | atm le for account mole fraction: dinitrogen diffluoride ble to partial pressure: ||atm Total pressure in tank: | atm ranscrip…Chrome File Edit View History Bookmarks People Tab Window Help Hcc Dashboar x E Buy Essay x G find some x C Periodic X A ALEKS - J X MUc Chapter 5 x G convert c X + A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNsikr7j8P3jH-IQİHQRDYV 6Ux63SypJXz0Coxvwqgg4JkWIZFgD9QGprD.. O GASES Jacqueline v Interconverting molar mass and density of ideal gases A sample of an unknown compound is vaporized at 120. °C. The gas produced has a volume of 2120. mL at a pressure of 1.00 atm, and it weighs 1.98 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. mol Check II6 of 11 I Review Constants Periodic Table Part C out ars. ying lue Consider the following equivalent expressions: 3 13 3 and 12 a 8 What are the values of a and b? Enter the value of a followed by the value of b, separated by a comma. - get the ons) ple, Submit Previous Answers Request Answer ") is X Incorrect; Try Again; 4 attempts remaining Part D Complete previous part(s)