3. make an argument for placing hydrogen in the halogen group rather than the alkali metals. 4. compare and contrast ionization energy and atomic radius. 5. when the element with the atomic number of 119 is discovered, what group will it be in? explain your logic. 6. a new element is discovered that is very unstable and highly reactive, and it likes to lose its one valence electron. in what group should this element be placed in? explain.

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation:

it means there are 3 atoms of oxygen

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.