Covalent Bonds

What would you name this molecule?

• SNa3
• H3O
• NaCl
• H2O

What molecule is this?

• CO
• CO2
• C2O
• C2O2

Is Hydrogen considered a metal or a non-metal?

• Metal
• Non-metal

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.
• electrons are completely transferred between two metals.
• pairs of electrons are shared between two nonmetal atoms.
• two nonmetal atoms are attracted to each other by opposite charges.

What region of the periodic table contains atoms that form covalent bonds?

• the left side
• the middle
• the right side
• top left

What is a double bond?

• a bond between two atoms
• one pair of electrons shared between two atoms
• two pairs of electrons shared between two atoms
• James Bond's brother

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18