Answer:
when u think about that the answer is gone be d thats my answer D
Explanation:
The nucleus of an atom has some protons and some neutrons in it.
The "mass number" is the total number of all particles in the nucleus.
The "atomic number" is the number of protons in the nucleus.
Element X has 71 particles in the nucleus, and 38 of them are protons.
So (71-38) = 33 of them are neutrons.
(B) 1.00 m
Explanation:
Since the meter stick is traveling with Jill, it will have the same speed as she does so relative to Jill, the meter stick is stationary so its length remains 1.00 m as measured by her.
B) compound.
A compound is usually made up of different Elements, a compound is likely to have a melting point as well.