An impure sample of X melts at around 90°C. What is most likely to be the melting point of X?

A) Between 90°C to 95°C
B) Between 80°C to 90°C
C) Below 80°C
D) Cannot be determined

20 drops hope this

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.