atomic structure Flashcards

1
Q

whats the mass, position and charge of a proton

A

1 nucleus , positive

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2
Q

whats the mass, position and charge of a neutron

A

1 nucleus, neutral

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3
Q

whats the mass, position and charge of a electron

A

1/840, electron shell, negative

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4
Q

what does the first electron shell hold a maximum of

A

2 electrons then goes 8 so on

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5
Q

whats the formula for relative atomic mass in isotopes

A

(mass no 1 x abundance) + (mass no 2 x abundance)
divided by the sum of the abundance of isotopes

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6
Q

what is the relative atomic mass

A

the RAM is a weighted mean of the mass numbers

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7
Q

whats a compound

A

two or more elements chemically combined

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8
Q

whats a ion

A

a ion is a charged particle formed when an atom gains or loses electrons

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9
Q

what type of energy is needed to break a ionic bond

A

substantial

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10
Q

whats a isotope

A

is an atom which has the SAME number of protons and electrons but different number of neutrons

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