Which statement is always true A all lithium atoms contain the same numbers of protons B All lithium atoms contain the same number of neutrons C All lithium atoms have the same mass D the sum of protons plus neutrons is the Sam in all lithium atoms

The grooves or folds of the brain are called

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

The sum of the oxidation numbers in a neutral compound is always