Honors Ch 6 & 7 Practice

Chemical reactions involve

• protons

• neutrons

• electrons

• valence electrons

if an atom loses electrons, will it become a positive ion or a negative ion?

• positive ion

• negative ion

if an atom gains electrons, will it become a positive ion or a negative ion?

• positive ion

• negative ion

How many valence electrons do group 15 (5A) elements have?

• 2

• 3

• 5

• 15

How many valence electrons does a Be atom have?

• 1

• 2

• 3

What is the charge Be obtains when it becomes an ion?

• +1

• -1

• +2

• -2

What is the charge of a nitride ion?

• +3

• -3

• +1

• -1

An ionic compound is composed of a

• metal and metal

• metal and nonmetal

• nonmetal and nonmetal

In an ionic compound, the first element is always

• positive

• negative

What is the name for CaO

• calcium monoxide

• calcium oxide

• calcium (II) oxide

• calcium oxygen