Unit 2: Week 1 Quizizz Review

Atoms are made up of ________________

• energy

• electrons

• subatomic particles

• gasses

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

The following subatomic particles are in the nucleus.

• Protons and nucleus.

• Protons and neutrons.

• Protons and electrons

• Neutrons and electrons

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons

A proton has a ___________ charge.

• positive

• negative

• neutral

• massive.

The number of protons in an atom is called the .....

• Mass

• Atomic Number

• Nucleus

• Orbital

The mass number of an atom is the mass of ______ + _____

• protons + neutrons

• protons + electrons

• neutrons + nucleus

• protons + nucleus

The mass number is always larger than the atomic number (exept for Hydrogen).

• TRUE

• FALSE

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

The total number of protons and neutrons in the nucleus of an atom

• Atomic Number

• Mass Number

• Atomic Theory

• Electron Cloud