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H
|
Hydrogen
atomic number: 1
mass number: 1
protons: 1
electrons: 1
neutrons: 0
group: 1
period: 1
|
Li
|
Lithium
atomic number: 3
mass number: 7
protons: 3
electrons: 3
neutrons: 4
group:1
period:2
group
|
Na
|
Sodium
atomic number: 11
mass number: 23
protons: 11
electrons: 11
neutrons: 12
group: 1
period: 3
|
K
|
Potassium
atomic number: 19
mass number: 39
protons: 19
electrons: 19
neutrons: 20
group: 1
period: 4
|
Rb
|
Rubidium
atomic number: 37
mass number: 85
protons: 37
electrons: 37
neutrons: 48
group: 1
period: 5
|
Cs
|
Cesium
atomic number: 55
mass number: 133
protons: 55
electrons: 55
neutrons: 78
group: 1a
period: 6
|
Fr
|
Francium
atomic number: 87
mass number: 223
protons: 87
electrons: 87
neutrons: 136
group: 1a
period: 7
|
Be
|
Beryllium
atomic number: 4
mass number: 9
protons: 4
electrons: 4
neutrons: 5
groups: 2a
period: 2
|
Mg
|
Magnesium
atomic number: 12
mass number: 24
protons: 12
electrons: 12
neutrons: 12
group: 2a
period: 3
|
Ca
|
Calcium
atomic number: 20
mass number: 40
protons: 20
electrons: 20
neutrons 20
group: 2a
period: 4
|
Sr
|
Strontium
atomic number: 38
mass number: 88
protons: 38
electrons: 38
neutrons: 50
group: 2a
period: 5
|
Ba
|
Barium
atomic number:56
mass number: 137
protons: 56
electrons: 56
neutrons: 81
group: 2a
period: 6
|
Ra
|
Radium
atomic number:88
mass number: 226
protons: 88
electrons: 88
neutrons: 138
group: 2a
period: 7
|
Sc
|
Scandium
atomic number: 21
mass number: 45
protons: 21
electrons: 21
neutrons: 24
group: 3b
period: 4
|
Y
|
Yttrium
atomic number: 39
mass number: 89
protons: 39
electrons: 39
neutrons: 59
group: 3b
period: 5
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