Answer: <u>An atom is the basic unit of matter</u> and the defining structure of elements. The difference between an atom and a molecule is that <u>molecules are formed when two or more atoms bond together</u>. If molecules contain atoms of different elements, that substance is known as a compound. <u>Atoms make up molecules. </u>
The answer for question number 1 is : 2x + 4
and for question number 2 : 10
Answer:
D. 8/7 × 3 because the fraction is greater than 1.
I hope this helps!
The answer choice A is correct
