For each of the following pairs of atoms or ions, state which you expect to have the larger radius. (a)   In or Sn     _______ indium or tin (b)   K+ or K     ________ potassium ion or potassium (c)   Ba2+ or Xe     _________barium ion or xenon (d)   Ge or Sn     _________germanium or tin (e)   Xe or I-      _________ iodide ion or xenon

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

A: Answer:- This question is answered by using the simple concept of trend of atomic size in periodic…

Q: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

A: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

Q: By gaining 2 electrons, a sulfur atom attains an electron arrangement like that of the noble gas…

A: Given statement is that sulfur atom attains an electronic arrangement like that of noble gas argon.

Q: 9. Draw the energy-level diagram for the atom of each of the following elements: a (a) boron (b)…

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Q: #10 which halogen A.) F hos the most metallic Character C.) Br

A: In periodic table, halogens are present in group 7A. Group 7A elements are one electron away to…

Q: Write full electron configurations for each element.(a) N (b) Mg (c) Ar (d) Se

A: ANSWER

Q: Which part of the periodic table (top/bottom, left/right) has the elementswith the largest atoms?

A: Given, Which part of the periodic table (top/bottom, left/right) has the elementswith the largest…

Q: Macmillan Learning Give the symbols of the elements that occupy the group 13 (IIIA), period 4: group…

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Q: . When an iodine atom becomes an iodide ion, it (A) gains an electron and decreases in size, (B)…

A: Reduction- the reaction in which gain of electrons takes place called as reduction. Generally, after…

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: An element with the electron configuration [noble gas] ns2 (n-1)d10 np4 has [number] valence…

A: We know that,  Number of valence electrons= number of electrons present in valence shell

Q: Why does the fourth period in the periodic table contain 18 elements?

A: The periodic table is the tabular arrangement of elements which are arranged in the increasing order…

Q: onsider the atom with the chemical symbol Ru. What would be the charge on an atom of Ru which only…

A: A atom in an periodic table is arranged based on atomic number . For an atom atomic number indicates…

Q: ow do I tell if S2- is the most common isotope ? and what are difference between a Bohr-Rutherford…

A: Isotopes are chemical species that have the same atomic number but different mass numbers.…

Q: (1) Give the electron configuration of the element belonging to: a) Group 14 and Period 2 b) Group…

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Q: 15. (a) b) c) d) Identify the element that is described by the following information. Refer to a…

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Q: (b) A new element, "X", is discovered and found to have 2 electrons in its outer level. Is X a metal…

A: Given that - New discovered element , with symbol of "X" has 2 electrons in it's outermost Valence…

Q: Write the full ground-state electron configuration for each:(a) Br(b) Mg(c) Se

A: Given: The given atoms are  Br, Mg, and Se To find: The full ground state electron configuration of…