The symbol for calcium is Ca and its atomic number is 20.
The atomic number of F (fluorine) is 9, Na (sodium) is 11. When you add them together, you get 20. The element with atomic number 20 is calcium (Ca).
CACIUM
Calcium: ~Atomic weight: 40.078 ~Atomic #: 20 ~Density: 1.55 ~Alkali Earth Metal
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 symbol for calcium is Ca and its atomic number is 20.
The atomic number of F (fluorine) is 9, Na (sodium) is 11. When you add them together, you get 20. The element with atomic number 20 is calcium (Ca).
CACIUM
If the atomic number of Element D is 20, then Element D is calcium (Ca). The atomic number of calcium is 20, so R would also have an atomic number of 20. This means that R would also be calcium (Ca).
Calcium (Ca)
Calcium (Ca)
Calcium: ~Atomic weight: 40.078 ~Atomic #: 20 ~Density: 1.55 ~Alkali Earth Metal
The symbol for Calcium in the Periodic Table is Ca.
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 F (fluorine) is 9 and the atomic number of Na (sodium) is 11. Adding them together gives 20, which is the atomic number of calcium (Ca).
The atomic number of kalium (syn.: potassium) - symbol K - is 19. If you think to calcium (symbol Ca) the atomic number is 20.
97% of the naturally occurring Calcium is isotope Ca-40, so massnumber 40. Other isotopes have massnumber 42 to 48