If an atom has 12 protons, 13 neutrons, and 10 electrons, what charge would the atom have?

The specific heat of a certain type of cooking oil is 1.75 cal/ (g c) how much heat energy is needed to raise the temperature of 2.67 kg of this oil from 23 c to 191 c

All atoms of the same element have the same what? ? a. atomic number b. mass number c. atomic mass

Which of these elements exist as a liquid at normal earth temperatures?