This illustration BEST represents the light A)
from the sky as the sun sets and the sky darkens and reddens.
B)
from the sky as the sun rises and the sky goes from black to light blue.
O
on a porch as porch lights are turned off leaving only the dim violet insect
light on
in a laboratory as all room lights are switched off and an intense
ultraviolet lamp is left on.
D

alkaline metals are lithium, sodium, rubidium, potassium, cesium and francium.

alkali metals have electronegativity from 0.7 to 1, lowest in periodic table of elements, which means that alkali metals (i group in periodic table) has positive oxidation number in compounds.

electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

alkaline metals (far left in main group) have lowest ionizations energy and easy remove valence electrons,

for example, potassium is the alkali metal and has a single valence electron in the outer electron shell.

electron configuration of potassium is: ₁₉k 1s²2s²2p⁶3s²3p⁶4s¹.

they can not exist alone in nature, because they are very reactive.

i'm pretty sure it is letter c.) car

your answer is c) plasma

~*"auba14"*~