They have the same density because a material, no matter how much of it there is, will always be a certain density. A 40g ball of iron has the same density as a 1g ball of iron.
2 lone pair on phosphorus
The correct answer is d.
C has four valence electrons. To become an ion with a complete valence shell, it would have to
- • Gain four electrons to become C⁴⁻ or
- • Lose four electrons to become C⁴⁺
Thus, carbon is extremely unlikely to form ionic compounds.
Answer:
15. Which material will heat the fastest?
The answer is C.
16. Which material will heat the slowest?
The answer is C.