Ionic, think about the way metals share electrons with other metals, resulting in malleability.
Mass number = number of protons + number of neutrons
number of protons = atomic number =7
number of neutrons= mass number - number of protons=16-7=9
Answer is B.9.
Divide the volume by the area. Using scientific makes things a bit cleaner.


Then

Now, 1 m = 10⁹ nm, so

Answer:
A liquid evaporated slow at higher temperature bz the vapour pressure of the is higher so few molecule can escape the surface