How many valence electrons are there in the element with atomic number 35?A.7B.35C.3D.5

Evaluate this exponential expression,8. (2 + 3)2 – 42

1) this is the structure in the cell nucleus that houses a cell's genetic information

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.