Plsss
in the molecule above, the black balls represent carbon atoms and the turquoise balls represent hydrogen atoms. what is the name of this hydrocarbon?

a. trimethylpentane
b. 2-methyl-3-methyl-4-methylpentane c. 2,2-dimethyl-3-methylpentane
d. 2,3,4-trimethylpentane

The correct answer is option D. 2,3,4-trimethylpentane

Explanation:

Hello! Let's solve this!

In the drawing we see as the main chain, the longest, one of five carbon atoms. Then we would name it pentane.

Furthermore we see that in carbons 2, 3 and 4 it has a methyl.

So it's trimethyl.

Therefore the name that we form is 2,3 and 4 trimethyl-pentane.

We conclude that the correct answer is option D. 2,3,4-trimethylpentane

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.