Consider the elements in the periodic table. as we move to the far right, the purple column is made up of that are
a) gases; nonreactive
b) metals; nonreactive
c) metalloids; reactive
d) gases; highly reactive

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole