atomic structure Flashcards

1
Q

the properties of all elements and compounds depends on the

A

atoms that makes them up

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2
Q

what is an element

A

is a substance contaning only one type of atom

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3
Q

what are the two important areas

A

nucleas
electron energy levels

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4
Q

The nucleus of an atom contains which two types of particles

A

neutrons and protons

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5
Q

where are the electrons found

A

outside the nucleus

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6
Q

protons are
positive
negative
or neutral

A

positive

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7
Q

neutrons are
positive
negative
or neutral

A

neutrol

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8
Q

electrons are
positive
negative
or neutral

A

negitive

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9
Q

outside the nucleus, the electrons have a mass of

A

almost 0

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10
Q

All the mass of an atom is found

A

the nucleus in the protons and neutrons

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11
Q

protons -
charge ?
mass ?

A

charge 1+
mass 1

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12
Q

electron
charge ?
mass ?

A

charge 1-
mass-0

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13
Q

neutron
charge ?
mass ?

A

charge 0
mass 1

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14
Q
A
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15
Q

which element has the atomic number of 16

A

sulfur

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16
Q

Which element has the symbol of Ne

17
Q

which element has a total of 5 electrons

18
Q

what is the symbol of the element magnesium