What is fermentation​

Explanation:

fer·men·ta·tion

/ˌfərmənˈtāSH(ə)n/

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noun

the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.

the process of fermentation involved in the making of beer, wine, and liquor, in which sugars are converted to ethyl alcohol.

ARCHAIC

agitation; excitement.

"I had found Paris in high fermentation"

Fermentation is a metabolic method that creates chemical changes in natural substrates through the action of enzymes.

Explanation: hope this helps :)

what is the volume occupied by 40 grams of argon gas (ar) at standard conditions? what volume, in liters, is occupied by 1.5 x 1023 

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.