atoms Flashcards

1
Q

what is an element complied of

A

the same kind of atom

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2
Q

an element can not be broken down into

A

two or more particles by chemical means

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3
Q

what does an atom consist of

A

sub-atomic particles

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4
Q

what is the sub-atomic particles

A

neutrons, protons, and electrons

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5
Q

where is a neutron found

A

in the nucleus

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6
Q

where are the protons found

A

in the nucleus

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7
Q

where are the electrons found

A

space around the nucleus

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8
Q

neutron

A

without charge neutral

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9
Q

proton

A

positive charge

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10
Q

electron

A

negative charge

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11
Q

two atoms bond together t form a

A

molecule

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11
Q

what are the seven diatomic elements?

A

H2 N2 O2 F2 Cl2 Br2 L2

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12
Q

what is a compound

A

is a material that consists of atoms of two or more different elements chemically bonded

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13
Q

for pure materials

A

particles are the same

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14
Q

what is electrolysis

A

the process whereby an electrical current is sent through a solution to break it down.

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15
Q

what is a chemical bond

A

it is a force that holds atoms together.

16
Q

what are the properties of a mixture

A

the components are not in a simple ratio

17
Q

what are the properties of mixtures

A

the components are not in a specific ratio, the components retain their own properties, the components can be separated by chemical means