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Flashcards in Atoms Va Ions Deck (13)
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1
Q

Atoms

A

Neutral particle

No charge

Equal amount of protons and electrons

2
Q

Ion

A

When an atom gains or loses an electron

Charged particles

3
Q

Anion

A

Negative charge

More electrons than protons

4
Q

Cation

A

Positive charge

More protons than electrons

5
Q

Atomic mass

A

Mass with decimals

6
Q

Mass number

A

Mass with no decimals

7
Q

Halogens

A

Family number 17

Non metal

Highly reactive

8
Q

Noble gasses

A

Family number 18

Most stable

Unreactive

9
Q

Alkali metals

A

Family number 1

Highly reactive

10
Q

Alkaline earth metals

A

Family number 2

Less reactive

Burn if heated

11
Q

Valence shell

A

The outermost shell

12
Q

What charge do metals form?

A

Positive charge

13
Q

What charge do non metals form?

A

Negative or neutral