Decide which element has the greater size and defend your answer: (i) B or Si; (ii) C or P

Q: Choose the element with the larger atoms from each pair.(a) Al or In (b) Si or N(c) P or Pb (d) C or…

A: Increasing order of size:   (a) Al < In   (b) N  <  Si   (c) P < Pb    (d) F  <  C…

Q: Which of the following lists contain an alkali metal, a halogen and a metalloid (semi-metal) in that…

A: In the periodic table, alkali metals are Group-1 elements.  Halogens are Group-17…

Q: Using condensed electron configurations, write equations representing the formation of the ion(s) of…

A: The equations representing the formation of ions for the given elements has to be given using…

Q: Rank the elements in each of the following sets in order of increasing atomic radius. (a)    K,…

A: 1) In general, atomic radius decreases across a period and increases down a group. ... Down a group,…

Q: which atoms ( can be more than 1) listed below have a smaller radius than Aluminum? B Cl Ga N S

A: On moving left to right in a period atomic size decreases due to increase in effective nuclear…

Q: Using only the periodic table, rank the elements in each set in order of decreasing size: (a) As,…

A: Size increases down the group and decreases along a period.

Q: A neutral atom of an element has two electrons with n=1,eight electrons with n=2,eight electrons…

A: Total electrons present in the neutral atom: n=1 has 2 electrons ⇒1s2n=2 has 8 electrons ⇒ 2s2,…

Q: Arrange the elements given below in the increasing order of their atomic size. (AKS 3h) Element A :…

A: The size of the atom depends on the electronic configuration of the atom. We know that size of the…

Q: List the outer electron configuration for each column in the periodic table.(a) 3A (b) 4A (c) 6A (d)…

A: (a) 3A : The outer electron configuration = ns2 np1  (b) 4A : The outer electron configuration = ns2…

Q: Give the period and group number for each element: (a) oxygen; (b) calcium; (c) phosphorus; (d)…

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Q: Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14.…

A: The carbon family, Group 14 in the p-block, contains carbon (C), silicon (Si), germanium (Ge), tin…

Q: 7.92 For each pair of elements listed, give three properties that show their chemical similarity:…

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Q: 55. Which elements are main-group elements?(a) Te(b) K(c) V(d) Re(e) Ag

A: The main- group elements are the elements in the s-block and p-block of the modern periodic table…

Q: Symbol of the element having Z=31

A: element having atomic number (z)=31,is Gallium and symbol is 'Ga'

Q: I don't understand. It must be in a +3 state? Why? F has a -1 charge, that means it would have: 9p…

A: Answer: Metal M should be chosen from the ones given in option.

Q: Give the symbol of the element that has the largest atomic size in Group 3A

A: as we move left to right in a period, atomic size decreases due to increase in the effective nuclear…

Q: Give the electron-dot symbol for each element: (a) bromine; (b) lithium; (c) aluminum; (d) sulfur;…

A: Electron-dot symbol or Lewis structure is a way of representing the valence electrons of the atom.…

Q: normal

A: Dear student I have given answer to your question in the image format.

Q: Write an electron-dot symbol for each element: (a) K; (b) B; (c) F; (d) Ca; (e) Se.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Write the condensed ground-state electron configuration for each of the following elements

A: Electrons are filled in the sub-shells in increasing order of their energy i.e. lower energy…

Q: Naturally occurring boron is composed of two isotopes. The percent abundance and the mass of each…

A: 6 (B) ANS: Atomic mass=   % abundant x atomic mass +% abundant x atomic mass /100 Atomic mass=  19.9…

Q: Write an electron-dot symbol for each element: (a) beryllium; (b) silicon; (c) iodine; (d)…

A: Since we answer up to 3 sub-parts only, we will answer the first three only. Please resubmit the…

Q: 7.86 Write the empirical (or molecular) formulas of compoundsthat the elements in the third period…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: Which of the following metals would be expected to have the smallest atomic radius? A) Cesium (Cs)…

A: In periodic table, on moving left-right the element's electronegativity as well as atomic number…

Q: Titanium is an s-block element. Select one: O True O False

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Q: Does any element with Z ≤ 92 match the description? An alkaline earth metal with a higher atomic…

A: First, we need to identify the atomic number of indium. The atomic number of an element is the…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

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Q: Which element would be expected to have chemical and physical properties closets to those nitrogen(N…

A: sulfur, because it's in the same groupGroups are columns of a periodic table. Both oxygen and sulfur…

Q: Does any element with Z ≤ 92 match the description? An element in the nitrogen family with a higher…

A: The question is asking if there is an element in the nitrogen family (Group 15 of the periodic…

Q: Which element has the smallest atoms? -- P B Mg N

A: The trend of atomic radius in periodic table is as follows: Atomic radius decreases as we move from…

Q: Each of the following sets contains isoelectronic ions (ions containing the same number of…

A: For isoelectronic species, lower the nuclear charge higher the radius.

Q: description An element in Period 3 and Group 4A. A semimetal in Group 8A. An element in the nitrogen…

A: The periodic table is divided into groups (vertical columns), periods (horizontal rows), and…

Q: Give the symbol of the element that has the largest atomic size in Period

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Q: 2) Define the Pauli Exclusion Principle and contrast it to the Pauli Principle

A: Pauli Exclusion Principal :  Pauli Exclusion Principal state that no two electrons in the same atom…

Q: Be sure to answer all parts. Identify the element below and give the symbols of the other elements…

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Q: Which atom has the smallest atomic radius P CI Si S How many protons neutrons and electrons does the…

A: the detailed answer is attached below.

Q: Determine the systematic name for CaSO4

A: Determine the systematic name for CaSO4

Q: Give the main features of f-block elements.

A: In the periodic table, F-block contains the elements between atomic numbers 57 - 70 and 89 - 102…

Q: Give the symbol for the element with n = 6, l = 1, ml = -1, ms = +1/2.  Lead, Bismuth, Astatine or…

A: Principal quantum number, azimuthal quantum number, magnetic quantum number and spin quantum number…

Q: Does any element with Z ≤ 92 match the description? A semimetal in group 5A.

A: The question is asking if there is any element with an atomic number (Z) less than or equal to 92,…

Q: Which of the following elements has the smallest value of IE3? Select the correct answer below: Na…

A: Introduction : Ionisation energy is defined as the amount of energy required by an isolated gaseous…

Q: When the equation Fe2(C204)3 → FeC204 + CO2 is balanced with the smallest integer coefficients, the…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Question 9 1s 2s 2p6 Is the electron configuration for which element? A) C B Ne C Ar CI

A: We have to predict the correct element for given electronic configuration.

Q: An isotope of element Z has a symbol of Z-390  with a charge of - 1.  If the element Z has  197…

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Q: Which of the following ions has the smallest size? O cr Br O Ga³+ Okt OCa2+

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Q: List the following species in order of increasing atomic size: sodium, chlorine, aluminum, oxygen

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