30 points me out i need this done as soon as possible
which choice in the image is correct

i
iii
ii
i & ii

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Freezing 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.

What information does a complete ionic equation give that the balanced equation doesn’t show?