Atoms and Atomic Structure

# If the atomic weight of oxygen is sixteen what would be the atomic weight of calcium?

###### Wiki User

###### April 27, 2009 4:43PM

As per the modified periodic table, the fourth element after

oxygen considering their atomic weights is Ca and thus if the

atomic weight of oxygen is considered to be as 16, therefore the

atomic weight of Ca is 20

## Related Questions

###### Asked in Elements and Compounds

### How many grams of oxygen gas are required to produce 100g of calcium oxide?

The chemical formula for Calcium Oxide is CaO.
The Atomic weigth of Calcium is 40.078.
The Atomic weight of Oxygen is 15.999
The Molecular weight of CaO is therefore 56.077
Thus 100g of CaO would contain (15.999/56.077)*100 =
28.53041353852738 grams of Oxygen and (40.078/56.077)*100 =
71.46958646147262 grams of Calcium.