answersLogoWhite

0

the atomic number of Ca or calcium is 20. That gives it an electron arangement of 2,8,8,2, It has 20 protons and 20 electrons with a full valence electron shell.

Hope this helps you

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What is the symbol and atomic number element for calcuim?

The symbol for calcium is Ca and its atomic number is 20.


What atomic number of f plus the atomic number of Na equals the atomic number of what element?

Calcium=Ca=Atomic number 20 9+11=20


What element has atomic number of ca?

CACIUM


If the atomic number of Element D is 20 then what is the atomic number of R?

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).


What is the atomic number of 20 element?

Calcium (Ca)


What element with atomic number 20?

Calcium (Ca)


Mass number of Ca?

Calcium: ~Atomic weight: 40.078 ~Atomic #: 20 ~Density: 1.55 ~Alkali Earth Metal


What is the atomic number of f plus the atomic number of Na equals the atomic number of this element?

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).


What is the symbol for Calcium in the Periodic Table?

The atomic symbol for an isotope of calcium will be the regular symbol for calcium, Ca. The number of protons will differ from standard calcium. This is written below the mass number Ca.


What is the atomic number of calcium?

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


What is the atomic number for kalium?

The atomic number of kalium (syn.: potassium) - symbol K - is 19. If you think to calcium (symbol Ca) the atomic number is 20.


What is the mass number of Ca?

97% of the naturally occurring Calcium is isotope Ca-40, so massnumber 40. Other isotopes have massnumber 42 to 48