Answer:
• One mole of oxygen is equivalent to 16 grams.
→ But at STP, 22.4 dm³ are occupied by 1 mole.

Sharing of electrons always means its a covalent bond, and unequal means it is polar, so it is a polar covalent bond
When an organism is buried quickly there is less decay and better the chance for it to be persevere. The hard parts of the organism such as bones, shells, and teeth have a better chance of becoming fossils that softer parts of the organism. HARD BONES.
Molarity = number of moles / volume in liters solution
Answer (3)
hope this helps!
For me the answer is E. It is composed of one Ru2+ ion and two F- ions.