Question

Calcium oxide formulae​

Answer 1

Answer:

please follow me

Explanation:

CaO is Calcium oxide

Answer 2

$\huge \mathfrak \blue{answer}$

$\mathrm \pink{calcium = {Ca}^{ +2} }$

$\mathrm \pink{oxide = {O}^{ - 2} }$

${Ca}^{ + 2} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \times \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: {O}^{ - 2}$

Cross method

Then formula will be= CaO