The answer would be <span>c.
Antimatter is made up of neutrons and electrons but no positive particles
Hope this helped</span>
Answer:

Explanation:
Here, we want to convert J to cal
Mathematically:

Thus, to get our answer in cal, we divide the value given by 4.186
We have that as:
Brass is an alloy, or a combination of two (or more) metals.
Lithium has 1 valence electron available for bonding. So its A.