Atoms Unit Vocabulary

What is the term for anything that has mass and takes up space?

• Matter

• Energy

• Light

• Force

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What is a pure substance that cannot be broken down into other substances by chemical or physical means?

• Element

• Compound

• Mixture

• Solution

What is a tiny, negatively-charged particle that moves around the outside of the nucleus of an atom?

• Electron

• Proton

• Neutron

• Photon

Tags

NGSS.MS-PS1-1

What is a small particle in the nucleus of the atom, with no electrical charge?

• Neutron

• Proton

• Electron

• Positron

What is the process in which energy is released in the form of heat and light called?

• Nuclear Fusion

• Photosynthesis

• Evaporation

• Condensation

Tags

NGSS.HS-ESS1-1

What is the number of protons in the nucleus of an atom called?

• Atomic Number

• Mass Number

• Isotope Number

• Valency

What is the average mass of all the isotopes of an element called?

• Atomic Mass

• Molar Volume

• Atomic Number

• Isotopic Abundance

Tags

NGSS.HS-PS1-8

What is the basic particle from which all elements are made; the smallest particle of an element that has the properties of that element?

• Atom

• Molecule

• Proton

• Electron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the scientific theory that matter is composed of discrete units called atoms?

• Atomic Theory

• Cell Theory

• Quantum Theory

• Evolution Theory

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What are electrons that are in the highest energy level of an atom and that are involved in chemical bonding called?

• Valence Electrons

• Core Electrons

• Protons

• Neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2