Answer:
the emission of visible light by a body, caused by its high temperature.Compare luminescence.
the light produced by such an emission.
the quality of being incandescent.
Answer: Yes! you're all good. Alkali metals in group 1 are the most metallic :)
Answer:
just see if i am not wrong
learning balancing in chemistry it take time
hope i am correct
Francium has the largest atomic radius.
The answer is CH3CH2CH2CHO