PS Chapter 14 Vocabulary-The Atom

A fundamental property of matter that can be either positive or negative.

• elementary charge

• electric charge

• fundamental charge

• postive charge

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The smallest unit of electric charge is the

• proton

• neutron

• electron

• elementary charge

Tags

NGSS.MS-PS2-3

a particle with an electric charge found inside atoms but outside the nucleus

• electron

• proton

• neutron

• atoms

Tags

NGSS.MS-PS2-3

the tiny core at the center of an atom containing most of the atoms mass and all of its positive charge

• nucleus

• core

• atom

• neutron

a particle found in the the nucleus with a positive charge exactly equal and opposite to the electron

• proton

• neutron

• electron

• atom

a particle found in the nucleus with mass similar to the proton but with zero electric charge

• proton

• neutron

• electron

• nucleus

the number of protons in the nucleus of an atom; this also determines what element the atom represents

• mass number

• isotope

• atomic number

• element

atoms of the same element that have different numbers of neutrons in the nucleus

• protons

• atomic number

• mass number

• isotopes

the number of protons plus the number of neutrons in the nucleus

• atomic number

• electrons

• mass number

• isotopes

a nucleus is _____________ if it stays together

• protons

• neutrons

• radioactive

• stable

Tags

NGSS.HS-PS1-8