Vocabulary 1
Vocabulary 2
Vocabulary 3
Calcium 1
Calcium 2
100

Number of protons in an element

Atomic Number

100

Number of protons and neutrons in an atom

Atomic Mass

100
Atoms that have gained or lost electrons, causing them to have a positive or negative electric charge

Ion

100

Element class

Metal

100

Energy Levels

4

200

When two or more atoms are chemically joined together

Molecule

200

Negatively charged particles in the atom

Electrons

200

Neutrally charged particles in the atom

Neutrons

200

Group number

2

200

Common name for element group

Alkaline Earth Metals

300

Electrons in the outermost energy level

Valence electrons

300

A negatively charged atom

Anion

300

DOUBLE JEOPARDY: Explain why there are three lines between the two balls in the ball and stick model.

It shares 3 electrons, triple bonded

300

Atomic Number

20

300

State of matter at room temperature

solid

400

Atoms with a different number of neutrons

Isotope

400

When two or more different types of atoms are chemically joined together

Compound

400

Electrons are found in this part of the atom

Electron Cloud

400

Number of valence electrons

2

400

Period number

4

500

A positively charged atom

Cation

500

Positively charged particles in an atom

Protons

500

Protons and neutrons are found in this part of the atom

Nucleus

500

Number of protons

Number of neutrons

Number of electrons

Protons - 20

Neutrons - 20

Electrons - 20

500

Mass number

40

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