6.8 Review

According to the octet rule, what electron configuration do atoms want?

• metals

• nonmetals

• noble gases

• hydrogen

What ion does calcium form?

• Ca¹⁺

• Ca²⁺

• Ca^1-

• Ca^2-

A metal and a nonmetal can come together and form a(n) ____.

• ionic bond

• covalent bond

• metallic bond

• hydrogen bond

Which elements can form an ion? (Select all that apply).

• O

• P

• Li

• Ar

What is the ion charge for the elements in group 1 on the periodic table?

• 1+

• 2+

• 1-

• 2-

What needs to be corrected in the Lewis dot structure for B₂O₃? (Select all that apply).

3[B]⁺³ 2[O]^-2

• there should be 3 dots around B

• there should be 6 dots around O

• there should be 8 dots around O

• the numbers in front of the brackets should be switched

How many valence electrons does Al have?

• 1

• 2

• 3

• 4

• 5

Which of the following can form cations? (Select all that apply).

• O

• Na

• Ne

• Be

Which name is correct?

• sodium fluorine

• sodium fluoride

• fluorine sodide

• fluorine sodium

What does the roman numeral represent in the name of an ionic compound?

• the charge of the cation

• the charge of the anion

• the number of cation atoms

• the number of anion atoms