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Defintions Flashcards

(5 cards)

1
Q

What is an ion?

A

An atom that has lost or gained electrons.

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2
Q

What is a cation?

A

A cation is when an atom has lost electrons, so it had more protons then electrons and so it has a positive charge.

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3
Q

What is an anion?

A

An atom that has gained electrons so it has more electrons then protons, so the ion is negative.

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4
Q

What is radioisotype?

A

Unstable atoms are known as radiosotype they undergo nuclear decay making them radioactive

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5
Q

What is mutation?

A

Cell mutation occurs when the ionising radiation damages DNA inside the cell without causing the cell to die

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