The atom Flashcards

1
Q

Where is a proton found?

A

Inside the nucleus.

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2
Q

Where is a neutron found?

A

Inside the nucleus.

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3
Q

where is an electron found?

A

In energy levels outside the nucleus.

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4
Q

What is the mass of a proton?

A

One.

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5
Q

What is the mass of a neutron?

A

One.

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6
Q

What is the mass of an electron?

A

Almost zero.

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7
Q

What is the charge of a proton?

A

1+

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8
Q

What is the charge of a neutron?

A

0

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9
Q

What is the charge of an electron?

A

1-

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10
Q

Why are atoms neutral?

A

Atoms are neutral because they contain the same number of protons as electrons.

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11
Q

What is the atomic number equal to?

A

The atomic number is equal to the number of protons in the nucleus.

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12
Q

What is the mass number equal to?

A

The mass number is equal to the number of protons added to the number of neutrons.

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13
Q

What are the electrons arranged around?

A

The electrons are arranged in energy levels around the nucleus, given by the electron arrangement.

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