Chemistry Topic 1 Flashcards

1
Q

If an atom gains an electron what happens

A

Gains a negative charge.Atom become a negative ion

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2
Q

If an atom loses an electron.What happens.

A

Becomes A postive ion

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3
Q

What is an ion

A

A charged atom

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4
Q

What are isotopes

A

Atoms of the same element with different number of neutrons

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5
Q

What charge does a proton have

A

Postive

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6
Q

What charge does a neutron have

A

It is neutral

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7
Q

What charge does a electron have

A

Has a negative charge

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8
Q

What is the mass number

A

the amount of protons + amount of neutrons

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9
Q

What is the atomic number

A

The amount of protons which is also the amount of electrons

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10
Q

What are atoms made up of

A

Protons neutrons and electrons

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11
Q

Atoms contain an equal amount of

A

Protons and neutrons.So carry no charge

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