Answer: Nitrogen
Explanation: Nitrogen has an atomic number of 7 and an atomic mass of about 14 u
<span>every column on the table represents a family that react similarly with other <span>elements.</span></span>
Answer:
Explanation:
scientific notation of 0.000467 is
4.67*10^-4
<span>PE @ 0.5m = mgh = 4.41 J
KE @ 0.5m = 0.5mv^2 = 2.91 J
ME @ 0.5m = 4.41 + 2.91 = 7.32 J
7.32 J</span>
