When sodium, Na and Fluorine, F bond ionically, what happens to the electrons in each atom?
7 electrons move from fluorine to sodium
1 electron moves from sodium to fluorine
electrons are shared between sodium and fluorine
the atoms magically are attracted to one another

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

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.

Define a is a tiny pavket of energy