Question

Write the formula with the help of criss cross rule on calcium nitride​

Answer 1

Write the formula with the help of criss cross rule on calcium nitride​

Step 1: Write the symbols of the radicals.

Ca CO3

Step 2: Write th valency below the respective radical.

Ca CO3

2 2

Step 3: Cross multiply the number of radicals.

Ca × CO3

+2 -2

Step 4: Write down the chemical formula of the compound.

CaCO3