You didn't ask a question just to let you know
Answer:
d hope this helps u hhwjs GD jehehj
The answer is <span>Silicon, it also forms 4 bonds. Usually elements in the same group or vertical column in the periodic table all have similar chemical bonding properties. </span><span>It is just below carbon, so it has more similarities of properties with carbon. </span>
b. o2
oxygen is diatomic because 1 molecule is made of 2 atoms of oxygen
Velocity = 15 m/s
90/2 = 45 m
45/3 (seconds to reach) = 15 m