Atoms & Periodic Table

The smallest part of any element; made up of electrons,

protons, and neutrons

• atom

• element

• compound

• electron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The small, dense positively charged center of an atom

• nucleus

• neutron

• electron

• proton

The positively charged particle in the nucleus of an atom

• nucleus

• proton

• neutron

• electron

The particle of the nucleus that does not have a charge

(neutral)

• proton

• neutron

• electron

• negatron

The negatively charged particles in an atom found outside

the nucleus in the electron cloud

• proton

• neutron

• electron

• negatron

The region of an atom, outside the nucleus, where

electrons are likely to be found

• plum pudding

• electron cloud

• billiard ball

• planetary system

Chart used to organize elements according to their atomic

number (number of protons)

• Periodic Table

• Punnett Square

• Element

• Atom

Identifies the number of protons in an atom's' nucleus

• atomic number

• mass number

• electrons

• neutrons

The total number of protons and neutrons in the nucleus of

an atom (atomic mass rounded to the nearest whole

number)

• atomic number

• electrons

• mass number

• neutrons

The columns that go up and down on the periodic table of

elements

• group

• period

• family

• mettaloids