Atoms, Elements, & Periodic Table Vocab

Front

Particle with an electric charge found in atoms, outside the nucleus.

Back

electron

Tags

NGSS.MS-PS2-5

Front

Particle in the nucleus with a positive charge, equal and opposite to the electron.

Back

proton

Front

Particle in the nucleus with mass like a proton and no electric charge.

Back

Neutron

Front

Atoms of the same element with different neutron counts.

Back

Isotope

Front

Characteristic colors of light emitted or absorbed by an element.

Back

Spectrum

Tags

NGSS.HS-PS4-4

Front

Discrete allowed energies for electrons in an atom

Back

Energy level

Front

A chart organizing elements by chemical properties and atomic number.

Back

Periodic table

Front

Unit of mass: 1.66 x 10^-24 g

Back

Atomic mass unit

Front

Material that allows electricity to flow easily

Back

Electrical conductor

Front

Material that allows heat to flow easily

Back

Thermal conductor

Tags

NGSS.MS-PS3-3