P-32 has a half-life of 14.28 days. 5 grams remain unchanged after 42.84 days. What was the initial amount of P-32?

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

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.

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?