Definitely Calcium Chloride.
All the others are covalent.
Answer:Atomic radii vary in a predictable way across the periodic table. As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and francium is the largest. So the asnwer is helium
Explanation:
Answer:
O₂
Explanation:
2S(s) +3O₂(g) → 2SO₃(g)
The limiting reactant of a chemical reaction is one that we do not have enough of for the reaction to yield more products.
From the balanced equation above, the mole ratio of S to O₂ is 2 :3. This means that for every 2 moles of S, 3 moles of O₂ is needed.
Since we have 3.12 mol of S,
amount of O₂ needed
= (3.12 ÷2) ×3
= 4.68 mol
Since we only have 3.75 mol of O₂, O₂ is the limiting reactant.
Answer:
the question makes no sense, no products are shown therfore all are reactants.
