Upload a drawing that shows what you think the structure of hydrogen atoms looks like. (Please don't look up, use what you already know.) Be sure to label relevant subatomic particles. Explain your drawing on the same page, providing other information to help us make sense of your representation of the hydrogen atom.

Upload a drawing that shows what you think the structure of hydrogen atoms looks like. (Please don't look up, use what you already know.) Be sure to label relevant subatomic particles. Explain your drawing on the same page, providing other information to help us make sense of your representation of the hydrogen atom.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter4: Chemical Foundations: Elements, Atoms, And Ions

Section: Chapter Questions

Problem 10ALQ: These questions concern the work of J. J. Thomson: From Thomson’s work, which particles do you think...

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27 Be sure to answer all parts. X 02:01:01 The following table gives numbers of electrons, protons, and neutrons in atoms or ions of a number of elements. Atom or Ion of Element Species A Species B Species C Number of Electrons 9 10 18 Number of Protons 9 19 Number of Neutrons 10 20 (a) Which of the species are neutral? A B C (b) Which are negatively charged? (c) Which are positively charged?
Why do you think the helium atoms approach each other? be sure to include descriptions of relevant subatomic particles and forces.)
Estimating the radius of a lead atom. (a) You are given a cube of lead that is 1.000 cm on each side. The density of lead is 11.35 g/ cm3. How many atoms of lead are in the sample? (b) Atoms are spherical; therefore, the lead atoms in this sample cannot fill all the available space As an approximation, assume that 60% of the space of the cube is filled with spherical lead atoms. Calculate the volume of one lead atom from this information. From the calculated volume (V) and the formula (4/3) 3 for the volume of a sphere, estimate the radius (r) of a lead atom.
These questions concern the work of J. J. Thomson: From Thomson’s work, which particles do you think he would feel are most important in the formation of compounds (chemical changes) and why? Of the remaining two subatomic particles, which do you place second in importance for forming compounds and why? Come up with three models that explain Thomson’s findings and evaluate them. To be complete you should include Thomson’s findings.
Pick an element from the Periodic Table AFTER number 25, Mn, and do not pick a diatomic element. Pick something different and fun! Now answer the following questions on a piece of paper which you will upload as a pdf file, and show all your work with units for calculations for any credit. Use your CHM 130 Periodic Table for molar masses and use 6.02 x 1023 for Avogadro's number or you may be counted wrong!!! 1. What is the symbol for your element? (Must be after Mn in Periodic Table) 2. What is the molar mass of your element? (include units) 3. How many atoms are in a mole of your element? (No calculation needed) 4. If you had 14.5 grams of your element, how many moles is that? 5. If you had 14.5 grams of your element, how many atoms is that? 6. Theoretically speaking, if your element was in the gas state at STP, how many grams is 2.25 liters of your element? (Most elements are not gases at STP so this question is just theoretical) You may not use the Ideal Gas Law to solve this.
3. Remember that the nitric acid in water is H*lao) and NO3aol. The brown gas evolved is an oxide of nitrogen, which can be identified by the description of the nitrogen oxides in the CRC Handbook, in the "Table of Physical Constants of Inorganic Compounds." No atmospheric Oz is involved in this experiment. List at least four different oxides of nitrogen and circle the one you observed during your reaction.
(c) Argon d) Fluorine 6. The number of nonmetal atoms in Al2(SO4)3 (a) 2 15 (b) (c) 12 (d) 8 7. Which of the following properties of water is not a (a) Water normally boils at 100°C
Predict the charges of the monoatomic ions formed by each main-group element.(a) N(b) Rb
(a) Cu(C2H3O2)2 (an ionic compound) From the chemical formula of the ionic compound, identify its component ions and their names. (Type the names of the ions.)Cu(C2H3O2)2 contains __________________ (Cu2+) ions and ___________________ (C2H3O2−) ions. Name the following ionic compounds. (a) Ir(ClO4)3(b) Li2CrO4(c) Cu3P2 Fill in the blank with the appropriate response: Recall the definitions of a cation and an anion, and indicate how they are combined to form ionic compounds.An ionic compound is composed of cations, which are ____________________ (positively or negatively) charged ions, and anions, which are ____________________ (positively or negatively) charged ions. The cation or anion can be (1) monatomic, where the charge is on each individual atom of an element, or (2) polyatomic, where the charge is on a chemically bonded group of two or more atoms.When a cation and an anion combine to form an ionic compound, their ratio is such that the total positive charge balances…
It's asking for us to indicate the type of particle (atoms, formula units, molecules) and idk how to determine that.
II 121 !!! ... estion Completion Status: QUESTION 2 Which is true regarding the compound KCI? Note that this is CI" for chlorine, not "C" for carbon and "I" for iodine. it is ionic and held together by opposite charge it is ionic and held together by shared electrons it is molecular and held together by charge O it is molecular and held together by shared electrons QUESTION 3 Describe your reasoning for your choice in the previous problem For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Paragraph Arial 10pt x² X, g T Te ABC + – >田 P. QUESTION 4 Which is true regarding the compound K2S? O it is ionic and held together by opposite charge Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Air DD 000 000 F4 F6 F5 esc F3 F1 F2
QUESTION 1 Fill in the missing information: formulas for missing compounds and ions, systematic/modern names of compounds, and whether the compound is ionic (I), covalent (C) or both (B). { NOTE: i) Write subscript numbers in the formulas as if you are writing letters in a word (e.g., Mg3N2 should be written as Mg3N2). ii) Do not put parentheses around monatomic ions but put them around a polyatomic ion if there is more than one in the formula (e.g. Na2C03 should be written as Na2CO3 but Ca(NO3)2 as Ca(NO3)2. )} (Use the letters I, C, or B to indicate the type of bonding in the compound.) Compound Formula Name of compound lonic (I), Covalent (C) or Both (B)? lons 2- 1+ NH 4 & SO 4 4+ Sn & CI 1- 2+ Fe & CH 3 CO0 1- AI 3+ & p 3- AIP