11-20 Elements

Question 1

Give the atomic symbol, atomic number, and atomic mass of SODIUM

Answer 1

Symbol = Na
Atomic Number = 11
Atomic Mass = 22.99

Question 2

Give the atomic symbol, atomic number, and atomic mass of MAGNESIUM

Answer 2

Symbol = Mg
Atomic Number = 12
Atomic Mass = 24.31

Question 3

Give the atomic symbol, atomic number, and atomic mass of ALUMINUM

Answer 3

Symbol = Al
Atomic Number = 13
Atomic Mass = 26.98

Question 4

Give the atomic symbol, atomic number, and atomic mass of SILICON

Answer 4

Symbol = Si
Atomic Number = 14
Atomic Mass = 28.09

Question 5

Give the atomic symbol, atomic number, and atomic mass of PHOSPHORUS

Answer 5

Symbol = P
Atomic Number = 15
Atomic Mass = 30.97

Question 6

Give the atomic symbol, atomic number, and atomic mass of SULFUR

Answer 6

Symbol = S
Atomic Number = 16
Atomic Mass = 32.07

Question 7

Give the atomic symbol, atomic number, and atomic mass of CHLORINE

Answer 7

Symbol = Cl
Atomic Number = 17
Atomic Mass = 35.45

Question 8

Give the atomic symbol, atomic number, and atomic mass of ARGON

Answer 8

Symbol = Ar
Atomic Number = 18
Atomic Mass = 39.95

Question 9

Give the atomic symbol, atomic number, and atomic mass of POTASSIUM

Answer 9

Symbol = K
Atomic Number = 19
Atomic Mass = 39.10

Question 10

Give the atomic symbol, atomic number, and atomic mass of CALCIUM

Answer 10

Symbol = Ca
Atomic Number = 20
Atomic Mass = 40.08