An atom of nitrogen has 7 protons how many electrons does it have

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun