What subatomic particle(s) is/are located in the nucleus of the atom?

protons only

electrons only

protons and neutrons

protons and electrons

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table