Compounds, Chemical Formulas & Covalent Bonds

What type of elements form covalent bonds?

• Metals

• Non Metals

• Metalloids

• Nobel Gas

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When a covalent bond forms _______________ are shared.

• protons

• nutrons

• valence electrons

• quarks

Tags

NGSS.HS-PS1-2

Compounds have _________________ properties, compared to the elements that form them.

• similar

• different

A ___________________ is the smallest unit of a compound.

• atom

• proton

• electron

• molecule

Tags

NGSS.MS-PS1-1

How many valence electrons does Oxygen (O) have?

• 6

• 8

• 15

• 16

Tags

NGSS.MS-PS1-1

How many atoms of hydrogen are in a sugar molecule with the formula C₆H₁₂O₆

• 12

• 6

• 24

• 18

Tags

NGSS.MS-PS1-1

Atoms that are _____________ will form bonds.

• stable

• unstable

An atom of nitrogen (N) has _______ open bonding sites.

• 5

• 4

• 3

• 8

Tags

NGSS.MS-PS1-1

Polar molecules form due to ___________ sharing of valence electrons.

• equal

• unequal

• greater

• group

Tags

NGSS.MS-PS1-1

Valence electrons are located _____________ the nucleus of an atom

• close to

• farthest from

• randomly around