Elements cards, Gould
H
Hydrogen
Appearance: colorless gas
Atomic Number: 1
Atomic Mass: 1.00794 g/mol
Atomic Radius: 25 pm
Chemical Series: nonmetals
Electronegativity: 2.20
Ionization Energy: 1312.0 kJ/mol
He
Helium
Appearance: colorless gas
Atomic Number: 2
Atomic Mass: 4.002602 g/mol
Atomic Radius: 31 pm
Chemical Series: Noble Gas
Electronegativity: n/a
Ionization Energy: 2372.3 kJ/mol
Li
Lithium
Appearance: silvery metal
Atomic Number: 3
Atomic Mass: 6.941 g/mol
Atomic Radius: 145 pm
Chemical Series: alkali metals
Electronegativity: 0.98
Ionization Energy: 520.2 kJ/mol
Be
Beryllium
Appearance: white-grey metallic
Atomic Number: 4
Atomic Mass: 9.012182 g/mol
Atomic Radius: 105 pm
Chem Series: alkaline earth metals
Electronegativity: 1.57
Ionization Energy: 899.5 kJ/mol
B
Boron
Appearance: black
Atomic Number: 5
Atomic Mass: 10.811 g/mol
Atomic Radius: 85 pm
Chemical Series: metalloids
Electronegativity: 2.04
Ionization Energy: 800.6 kJ/molC
Carbon
Appearance: black (graphite)
colorless (diamond)
Atomic Number: 6
Atomic Mass: 12.0107 g/mol
Atomic Radius: 70 pm
Chemical Series: nonmetals
Electronegativity: 2.55
Ionization Energy: 1086.5 kJ/mol
N
Nitrogen
Appearance: colorless gas
Atomic Number: 7
Atomic Mass: 14.0067 g/mol
Atomic Radius: 65 pm
Chemical Series: nonmetals
Electronegativity: 3.04
Ionization Energy: 1402.3 kJ/molO
Oxygen
Appearance: colorless gas
Atomic Number: 8
Atomic Mass: 15.9994 g/mol
Atomic Radius: 60 pm
Chemical Series: nonmetals
Electronegativity: 3.44 Ionization Energy: 1313.9 kJ/mol
F
Fluorine
Appearance: pale green-yellow gas
Atomic Number: 9
Atomic Mass: 18.9984 g/mol
Atomic Radius: 50 pm
Chemical Series: halogens
Electronegativity: 3.98
Ionization Energy: 1681.0 kJ/molNe
Neon
Appearance: colorless gas
Atomic Number: 10
Atomic Mass: 20.1797 g/mol
Atomic Radius: 38 pm
Chemical Series: noble gases
Electronegativity: n/aIonization Energy: 2080.7 kJ/mol
Na
Sodium
Appearance: silvery white metal
Atomic Number: 11
Atomic Mass: 22.98977 g/mol
Atomic Radius: 180 pm
Chemical Series: alkali metals
Electronegativity: 0.93
Ionization Energy: 495.8 kJ/molMg
Magnesium
Appearance: silvery white metal
Atomic Number: 12
Atomic Mass: 24.3050 g/mol
Atomic Radius: 150 pm
Chem Series: alkaline earth metals
Electronegativity: 1.31
Ionization Energy: 737.7 kJ/mol
Al
Aluminum
Appearance: Silvery metal
Atomic Number: 13
Atomic Mass: 26.981538 g/mol
Atomic Radius: 125 pm
Chemical Series: metals
Electronegativity: 1.61 Ionization Energy: 577.5 kJ/molSi
Silicon
Appearance: dark gray, bluish
Atomic Number: 14
Atomic Mass: 28.0855 g/mol
Atomic Radius: 110 pm
Chemical Series: metalloids
Electronegativity: 1.90
Ionization Energy: 786.5 kJ/mol
P
Phosphorus
Appearance: red or silvery white
Atomic Number: 15
Atomic Mass: 30.97376 g/mol
Atomic Radius: 100 pm
Chemical Series: nonmetals
Electronegativity: 2.19
Ionization Energy: 1011.8 kJ/molS
Sulfur
Appearance: yellow
Atomic Number: 16
Atomic Mass: 32.065 g/mol
Atomic Radius: 100 pm
Chemical Series: nonmetals
Electronegativity: 2.58
Ionization Energy: 999.6 kJ/mol
Cl
Chlorine
Appearance: yellow greenish gas
Atomic Number: 17
Atomic Mass: 35.453 g/mol
Atomic Radius: 100 pm
Chemical Series: halogens
Electronegativity: 3.16
Ionization Energy: 1251.2 kJ/molAr
Argon
Appearance: colorless gas
Atomic Number: 18
Atomic Mass: 39.948 g/mol
Atomic Radius: 71 pm
Chemical Series: noble gases
Electronegativity: n/a
Ionization Energy: 1520.6 kJ/mol
K
Potassium
Appearance: silvery white metal
Atomic Number: 19
Atomic Mass: 39.0983 g/mol
Atomic Radius: 220 pm
Chemical Series: alkali metals
Electronegativity: 0.82
Ionization Energy: 418.8 kJ/molCa
Calcium
Appearance: silvery white gas
Atomic Number: 20
Atomic Mass: 40.078 g/mol
Atomic Radius: 180 pm
Chem Series: alkaline earth metals
Electronegativity: 1.00
Ionization Energy: 598.8 kJ/mol
