Answered: Periodic table trends multiple choice…

Living by Chemistry

2nd Edition

ISBN:9781464142314

Author:Angelica M. Stacy

Publisher:Angelica M. Stacy

ChapterU1: Alchemy: Matter, Atomic Structure, And Bonding

Section: Chapter Questions

Problem 4STP

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Periodic table trends multiple choice (NO explanantions required):

1. Which of the following is false?

a) The nuclear charge is equivalent to the number of electrons , b) Electrons in an atom repel each other , c) Electrons in an atom are attracted to the nucleus , d) Shielding electrons prevent outer electrons from feeling the full nuclear charge.

2. In which of the following pairs does the first atom have a greater electron affinity than the second?

a) P and S , b) Na and Mg , c) N and P , d) Se and S

3. Which of the following is isoelectronic to the chloride ion, Cl-?

a) Ne atom , b) fluoride ion (F-) , c) sodium ion (Na+) , d) sulphide ion (S-2)

4. Consider the following elements: P, Na, N. Which of the following places these elements in order of increasing ionization energy (lowest to greatest)?

a) P, Na, N

b) Na, P, N

c) Na, N, P

d) N, Na, P

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