Question

What is the formula of a. sodium b. potassium c. calcium. d. Barium​

Answer 1

Elements ------------------> Formulae

a). Sodium ---------------> Na

b). Potassium ----------> K

c). Calcium --------------> Ca

d). Barium ---------------> Ba

Answer 2

Here is your answer

$Elements---- Formula$
A. Sodium-------- Na(Natrium)

B. Potassium-------- K(Kalium)

C. Calcium-------Ca

D. Barium-------Ba

HOPE IT IS USEFUL