The atomic number of calcium (Ca) is 20.
The atomic weight of Ca is 40.078 grams per mole.
See the Web Links and the Related Questions to the left of this answer for a periodic table and more information about this element.
20
The atomic number of Calcium is 20.
The most common calcium isotope, calcium-40, has 20 neutrons.
The atomic number of calcium is 20.
The atomic weight of calcium is 40,078 +/- 0,004 (IUPAC, 2005).
the atomic mass for calcium is 40.078 sr
The atomic number of calcium is 20.
Calcium is a metal element. atomic number of it is 20.
Calcium's atomic mass is ~40.1
Calcium is a meta element. Atomic number of it is 20.
The element with an atomic mass of 40.078 amu is calcium. Calcium has an atomic number of 20.
Iron is a meta element. Atomic mass of it is 54. Atomic number of it is 26.
Calcium is a metal element. Atomic mass of it is 40.