If carbon has the electron configuration of (2,4) what would the electron configuration of the element to the right of it on the periodic table, nitrogen, be? (1 point)
O 12,61
O [2,3]
(2,5)
O [2,8]

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

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.