Periodic Vocab Vocab

Front

Horizontal rows of the periodic table are called

Back

periods

Front

Columns of the periodic table are called "groups." Another name for a group?

Back

family

Front

Number of protons in an atom's nucleus

Back

Atomic Number

Front

A one or two letter representation of an element (e.g., Na, H, C) is called a

Back

chemical symbol

Front

A pure substance that cannot be broken down by chemical or physical means is called a

Back

Element

Front

Area where electrons are found?

Back

valence shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

Russian chemist who developed the periodic table?

Back

Dmitri Mendeleev

Front

System arranging elements by atomic number and properties.

Back

Periodic Table

Front

Periodic table organization?

Back

By Atomic Number

Tags

NGSS.HS-PS1-1

Front

All elements are atoms with varying protons/neutrons/electrons.

Back

True

Tags

NGSS.MS-PS1-1