Answer:
2
Explanation:
Oxygen has 6 in the outer shell. So in order to complete its octet it only needs two electrons. Like in the Water molecule, oxygen forms covalent bond with two hydrogen atoms.
They forgot to collaborate with other scientists
Answer:
The answer is D.
Explanation:
According to the information given in the example, Zack is most likely to have suffered damage to his brain's frontal lobe becasue of the symptoms that he show such as a change of personality. Frontal lobe is located at the front of the brain and it is responsible for controlling functions such as judgements, decision making, personality traits, emotions and memory which are all among the most important things for someone to function properly. So the correct answer is D.
I hope this answer helps.
Answer:
C
Explanation:
You are talking mostly about Jupiter and Saturn.
a) They are huge, at least in comparison to earth.
b) Saturn if you had a big enough bath tub would float in the bath water. Those two are mostly gas and ice.
c) of all the planets in the solar system, these two have the most number of moons. So C is not right.
d) They are both located beyond Mars.