Answer:
4
Explanation:
2HgO
2 * 1 Hg atom = 2 Hg atoms
2 * 1 O atom = 2 O atoms
2+2 = 4 atoms total
Answer:
electron configuration for boron is 1s22s22p1
hope this helps :)
Explanation:
B) <span>It is the instantaneous speed of the bike rider.</span>