astronomy and physics, help please!?

[trish87]

1) when an atom loses an electron, it becomes?
a) sublimated
b) dissociated
c) ionized
d) an isotope
e) a plasma

2) when an atom absorbs a photon containing energy, any of the following can happen except which?
a) the atom becomes excited
b) the atom is ionized
c) an electron moves from an upper energy level to a lower one
d) an electron moves from a lower energy level to an upper one

3) how can an electron in an atom lose energy to go from a higher energy level to a lower energy level?
a) it loses kinetic energy
b) it releases a photon equal in energy to its own energy drop
c) it absorbs a photon equal in energy to its own energy drop
d) it loses gravitational potential energy
e) it exchanges gravitational potential energy for kinetic energy

4) if two objects are of the same size but one is 3 times hotter than the other object, the hotter object emits?
a) 3 times more energy
b) 9 times more energy
c) 12 times more energy
d) 81 times more energy
e) none of the above

[science and math genius]

1.c
2.c
3.a
4.a
hope this answers your question

[Rebecca]

sorry i only know number one which is ionized

[David F]

1 c
2 c
3 a
4 ?