2. answer is C.<span> Elements have the same physical and chemical properties in any period </span>
A joule is defined as the amount of energy transferred to an object when a force of one newton acts on the object in the direction of its motion through a distance of one meter (1 newton meter or Nm)
I think B
Hope this helps!
<span>Carbon disulfide. hope that helped</span>
Answer: C) Subatomic particles
Explanation: I just learned this in ap environmental science
