Which statement below is not true? A. The nucleus is positively charged because of the protons.

B. The positively and negatively charged subatomic particles determine the atomic mass of an atom.

3.A neutral atom will contain the same number of electrons as protons.

4.Neutrons are not charged particles, are found in the nucleus and have a mass of 1
amu.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.