how many silicon atoms are there in 3 molecules of sih₄? hint: the symbol for silicon is si.

how many silicon atoms are there in 3 molecules of sih₄? hint: the symbol for silicon is si.
Answer
Explanation:
Step1: Analyze the formula of $SiH_4$
Each molecule of $SiH_4$ contains 1 silicon (Si) atom.
Step2: Calculate silicon atoms in 3 molecules
Since 1 molecule has 1 Si - atom, then 3 molecules have $3\times1$ Si - atoms.
Answer:
3