Atoms Va Ions Flashcards by peacan Chan | Brainscape

Q

Atoms

A

Neutral particle

No charge

Equal amount of protons and electrons

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Q

Ion

A

When an atom gains or loses an electron

Charged particles

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Q

Anion

A

Negative charge

More electrons than protons

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Q

Cation

A

Positive charge

More protons than electrons

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Q

Atomic mass

A

Mass with decimals

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Q

Mass number

A

Mass with no decimals

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Q

Halogens

A

Family number 17

Non metal

Highly reactive

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Q

Noble gasses

A

Family number 18

Most stable

Unreactive

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Q

Alkali metals

A

Family number 1

Highly reactive

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Q

Alkaline earth metals

A

Family number 2

Less reactive

Burn if heated

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Q

Valence shell

A

The outermost shell

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Q

What charge do metals form?

A

Positive charge

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Q

What charge do non metals form?

A

Negative or neutral

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