Question

Fill in the blanks choosing the correct word from those given below.
one, two, carbon, oxygen, compound(s), element(s), gas, symbol, formula, atom(s), molecule(s)
CO₂ is the _______________ of a gas called carbon dioxide, It represents one ___________ of the _______________. This compound is made up of ______________and _______________. Each molecule contains one ______________ of carbon and _________________of _______________. The _____________ C represents one ______________ of while the _______________ O represents one ________________ of ______________.

Answer 1

CO₂ is the formula of a gas called carbon dioxide. It represents one molecule of the compound. This compound is made up of carbon and oxygen. Each molecule contains one atom of carbon and two of oxygen. The symbol C represents one atom of carbon while the symbol O represents one atom of oxygen.