Chemical Bonding Review

Atom's use their _______ electrons to create a bond with other atoms.

Oxygen has how many valence electrons?

• 4

• 5

• 6

• 7

All elements want to have ____ electrons in their outer shell besides Hydrogen and Helium.

• 7

• 8

• 9

• 10

True or False: In a Lewis Structure, you only put valence electrons around the symbol.

• True

• False

Select the statements that are true about ionic bonds:

• Made of a metal and a nonmetal

• Made of a nonmetal and a nonmetal

• Bond is created through opposite charges attracting each other

• Bond is created through electrons being shared

When you lose an electron you become ___________. When you gain an electron you become ____________.

• Positive, Positive

• Negative, Negative

• Negative, Positive

• Positive, Negative

Select the answers that are ionic bonds:

• NaCl

• BeS

• CO

• LiF

Explain the difference between a covalent bond and an ionic bond.

In a covalent bond lewis structure, how many electrons are represented by a single bond?

• 1

• 2

• 3

• 4

In CO, which atom will be the central atom?

• C

• O

• L

• D