first 20 mass numbers
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20 Terms
What is the mass number of Hydrogen (H)?
1
What is the mass number of Helium (He)?
4
Lithium (Li) has an mass of __________.
6.94 or 7
What is the mass number of Beryllium (Be)?
9
Boron (B) has an mass of __________.
10.81 or 11
What is the mass number of Carbon (C)?
12
What is the mass number of Nitrogen (N)?
14
Oxygen (O) has an mass of __________.
15.999 or 16
Fluorine (F) has an mass of __________.
18.998 or 19
What is the mass number of Neon (Ne)?
20
Sodium (Na) has an mass of __________.
22.990 or 23
What is the mass number of Magnesium (Mg)?
24
Aluminum (Al) has an mass of __________.
26.982 or 27
What is the mass number of Silicon (Si)?
28
Phosphorus (P) has an mass of __________.
30.974 or 31
What is the mass number of Sulfur (S)?
32
What is the mass number of Chlorine (Cl)?
35
Argon (Ar) has an mass of __________.
39.948 or 40
What is the mass number of Potassium (K)?
39
What is the mass number of Calcium (Ca)?
40