Word Study
atomic number 16 |
atomic number 17 |
atomic number 18 |
atomic number 19 |
atomic number 2 |
atomic number 20
| atomic number 21
| atomic number 22
| atomic number 23
| atomic number 24
| atomic number 25
atomic number 20
WORDNET DICTIONARY
Noun atomic number 20 has 1 sense
- atomic number 20(n = noun.substance) ca, calcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals; Array is a kind of metal, metallic element
has particulars: calcium ion, factor iv
For further exploring for "atomic number 20" in Webster Dictionary Online
