Chemistry Review

Anything that has mass and takes up space

• Matter

• Energy

• Substance

• Chemistry

Tags

NGSS.MS-PS1-5

What holds atoms together in a molecule?

• density

• gravity

• physical bonds

• chemical bonds

Tags

NGSS.HS-PS1-7

When an atom loses an electron, it becomes

• positive

• negative

• neutral

• uncharged

Mendeleev arranged the Periodic Table according to?

• name

• atomic mass

• atomic number

• charge

The modern Periodic Table is arranged according to?

• name

• atomic mass

• atomic number

• charge

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

• two pairs of electrons shared between four atoms

Tags

NGSS.HS-PS1-1

Density is

• matter/solids

• volume/mass

• gas/liquid

• mass/volume

Thermal energy is transferred between objects when they have

• the same mass

• different masses

• different temperatures

• the same energy

Tags

NGSS.HS-PS3-4

Which of these is a chemical change?

• melting butter

• mixing milk and chocolate syrup

• breaking glass

• burning fuel

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Electrons involved in bonding between atoms are

• valence electrons

• inside the nucleus

• closest to the nucleus

• positively charged

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2