A solution has a [H3O+] of 1 × 10−5 M. What is the [OH−] of the solution? A) 9 M
B) 14 M
C) 1 x 10^{-9}
D) 1 x 10^{-14}

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: