According to the wave-mechanical model of the atom, electrons are located in... A) a hard, invisible sphere
B) a small, dense nucleus
C) circular paths orbiting the nucleus
D) orbitals
E) pockets embedded beneath the nuclear membrane

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!

it is b that is the answer.