The nucleus of one boron atom has 5 protons and 4 neutrons. what is the total charge of the boron? .

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

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.

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