Chemistry 1st semester review

What is the smallest subatomic particle?

• proton

• electron

• neutron

• quark

Which family of elements is most likely to lose an electron?

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Noble Gases

Rows of the periodic table are called

• group

• family

• period

• metal

Who discovered the charge of an electron?

• Dalton

• Thomson

• Rutherford

• Bohr

Which group is most likely to gain one electron?

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Noble Gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What state of matter has no definite shape and no definite volume?

• solid

• liquid

• gas

Isotopes have the same protons, but different:

• protons

• neutrons

• electrons

• quarks

Which is not an example of a chemical reaction?

• melting ice cream

• dissolving a piece of lead in acid

• burning a candle

• rusting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The atomic mass tells us

• number of neutrons

• number of neutrons and protons

• number of protons and electrons

• number of atoms

Which atom has the smallest number of neutrons?

• Nitrogen-14

• Oxygen-16

• Fluorine-19

• Carbon-14