8. Which of these best describes the reason that new scientific ideas are either accepted or rejected? F. They are accepted by most people
G. They reflect moral and ethical standards
H. They are consistent with historical beliefs
J. There is compelling experimental evidence for them

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

hurricanes form in warm water