What is an Atom Quizizz?

_____ are the basic units of matter and the defining structure of elements.

• Atoms

• Compounds

• Elements

• Molecules

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The term "atom" comes from the Greek word for _____, because it was once thought that atoms were the smallest things in the universe and could not be divided.

• indivisible

• tiny

• unbreakable

• wee

Atoms are made up of three particles: protons, neutrons and _____.

• elections

• electives

• electrons

• ellipticals

Tags

NGSS.MS-PS1-1

The earliest atoms were primarily _____ and helium, which are still the most abundant elements in the universe.

• carbon

• hydrogen

• nitrogen

• oxygen

Tags

NGSS.HS-ESS1-2

Protons and neutrons are _____ than electrons and reside in the nucleus at the center of the atom.

• darker

• heavier

• lighter

• smaller

Tags

NGSS.MS-PS1-1

Atoms always have _____ number of protons and electrons, and the number of protons and neutrons is usually the same as well.

• a disproportionate

• an equal

• a large

• any

Tags

NGSS.MS-PS1-1

Virtually all the mass of an atom resides in its _____.

• electrons

• nucleus

• protons

• shells

Tags

NGSS.HS-PS1-7

The nucleus is held together by the _____ force, one of the four basic forces in nature.

• electromagnetism

• gravity

• strong

• weak

Tags

NGSS.HS-PS1-8

Protons are _____ charged particles found within atomic nuclei.

• extremely

• negatively

• neutrally

• positively

Tags

NGSS.MS-PS1-1

The number of _____ in an atom is unique to each element.

• electrons

• neutrons

• protons

• quarks

Tags

NGSS.MS-PS1-1