Chemistry Final

It gains electrons

How does oxygen obey the octet rule when reacting to form compounds?

C) 3

How many electrons does nitrogen gain in order to achieve noblegas electron config? A) 1 B) 2 C) 3 D) 4

B) 4

How many valence electrons are in a silicon atom? A) 2 B) 4 C) 6 D) 8

A) 2

How many valence electrons are in an atom of magnesium? A) 2 B) 3 C) 4 D) 5

D) 5

How many valence electrons are in an atom of phosphorus? A) 2 B) 3 C) 4 D) 5

A) 2

How many valence electrons does a helium atom have? A)2 B) 3 C) 4 D) 5

1+

What is the charge on the cation in the ionic compound sodium sulfide?

P3-

What is the formula of the ion formed when phosphorus achieves a noblegas electron config A) P3+ B) P2+ C) P2- D) P3-

B) valence electrons

What is the name of the electrons in the highest occupied energy level of an atom? A) orbital electrons B) valence electrons C) anions D) cations

A) oppositely charged ions attract

Which of the following occurs in an ionic bond? A) oppositely charged ions attract B) 2 atoms share 2 electrons C) 2 atoms share more than 2 electrons D) like charged ions attract