write the symbols for the ions with the following number of protons and electron

Question

write the symbols for the ions with the following number of protons and electrons Masteringchemistry: Assignm x E Masteringchemistry: Chapter 776 C Secure https://session mast Spring 2017 CHEM 1053-P04 12e Chapter 04 Problem 6.10 Problem 6.10 Part A Which of the following pairs ofelements are likely to form ionic compounds? Check all that apply. chlorine and bromine potassium and sulfur nitrogen and axygen sodium and potassium helium and oxygen magnesium and chlorine Submit M Answers Ginn up In correct; Try Again; 5 attempts remaining

Explanation / Answer

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Magnesium and chlorine form ionic compound.

Mg (s) + Cl2 (g) --------------> MgCl2 (s)

Mg

Number of protons = number of electrons = 12

Cl

Number of protons = number of electrons = 17

Mg2+

Number of protons = 12 but number of electrons = 10 (similar to Ne)

Cl-

Number of protons = 17 but number of electrons = 18 ( similar to Ar)

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Potassium and Sulphur also form ionic compound

2 K (s) + S (s) -----------> K2S (s)

K

Number of protons = number o electrons = 19

S

number of protons = number of electrons = 16

K+

number of protons = 19 but number of electrons = 18 ( similar to Ar)

S2-

number of protons = 16 but number of electrons = 18 (similar to Ar)

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