Which of the following are the subatomic particles that make up atoms?

• Protons, neutrons, and electrons

• Molecules, ions, and compounds

• Protons, molecules, and atoms

• Neutrons, electrons, and compounds

What do atoms make up?

• Only living things

• Only gases

• Matter, which makes up everything in the universe that takes up space

• Only liquids

Tags

NGSS.MS-PS1-1

Which of the following best describes the relationship between atoms and matter?

• Atoms are made of matter

• Matter is made up of atoms

• Atoms and matter are unrelated

• Matter is smaller than atoms

Tags

NGSS.HS-PS1-7

Which subatomic particle in the diagram is represented by the symbol "+"?

• Electron

• Neutron

• Proton

• Molecule

What charge do protons carry?

• Positive

• Negative

• No charge

• Both positive and negative

Which subatomic particle carries no charge at all?

• Proton

• Electron

• Neutron

• Nucleus

Which particles are found in the nucleus of an atom?

• Protons and electrons

• Neutrons and electrons

• Protons and neutrons

• Only electrons

Tags

NGSS.HS-PS1-8

What is the charge of an electron?

• Positive

• Neutral

• Negatively charged

• No charge

Why are atoms electrically neutral?

• Because they have more electrons than protons

• Because they have equal numbers of electrons and protons

• Because they have more protons than neutrons

• Because they have no charged particles

What is an element?

• A pure substance that consists entirely of one type of atom.

• A mixture of different types of atoms.

• A substance that cannot be broken down into atoms.

• A compound made of molecules.