Unit 3 Review (Atoms and the Periodic Table)

The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.

• cell

• atom

• proton

• quark

Tags

NGSS.MS-PS1-1

A tiny, negatively charged particle that moves around the outside of the nucleus of an atom.

• electron

• neutron

• proton

• atom

The central core of an atom which contains protons and neutrons.

• nucleolus

• neutron

• nucleus

• center

Small, positively charged particles that are found in the nucleus of an atom.

• Electron

• Neutron

• Proton

• Bonton

I am am electromagnetic wave with the shortest wavelength and highest frequencies. Usually emitted during alpha or beta decay

• alpha ray

• gamma ray

• xray

• solar ray

Tags

NGSS.HS-PS1-8

NGSS.HS-PS4-1

NGSS.HS-PS4-3

A region of an atom in which electrons of the same energy are likely to be found.

• Force field

• Cloud

• Power area

• Energy level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A small particle in the nucleus of the atom, with no electrical charge

• Electron

• Neutron

• Proton

• Nucleus

The process of determining the age of an object using the half-life of one or more radioisotopes is called radioactive _________________

Tags

NGSS.HS-PS1-8

The number of protons in the nucleus of an atom.

• Atomic Number

• Atomic Mass

• Mass number

• Atomic Symbol

An atom with the same number of protons and a different number of neutrons from other atoms of the same element.

• Ice cycle

• isomer

• isometric

• isotope