PLEASE HELP 100 POINTS

Chemistry

1 answer:

bonufazy [111]3 years ago

3 0

Answer:

Gaseous nitrogen (78% in air) is fixed (by nitrogen fixing bacteria, and during lightning), then absorbed and assimilated by plants in the form of proteins, as well as nucleic acids. ... Nitrogen is returned to soil with excretory materials of animals and dead organisms.

Explanation:

Nitrates (or nitrites) are natural chemicals that are found in the soil, air and water. Nitrates are also used as a food additive to stop the growth of bacteria and to enhance the flavor and color of foodsAmmonium is also a general name for positively charged or protonated substituted amines and quaternary ammonium cations (NR + 4. ), where one or more hydrogen atoms are replaced by organic groups (indicated by R).an obsessive interest in or feeling about someone or something.

"our fixation with diet and fitness"

Denitrification: the loss or removal of nitrogen or nitrogen compounds specifically : reduction of nitrates or nitrites commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air

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Which change to an atom occurs when it forms a positive ion

Semmy [17]

Answer: loss of electrons

Explanation:

An atom is made up of three subatomic particles named protons neutrons and electrons. An atom forms positive ion with the loss of at least one electron.

For instance: Calcium with atomic number 20, and electronic configuration 1s2, 2s2 2p6, 3s2 3p6, 4s2 will lose the two outermost electrons to form a divalent positive ion (Ca2+).

Ca --> Ca2+ + 2e-

Thus, loss of electrons is the change to an atom that occurs when it forms a positive ion

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3 years ago

Fermium-253 has a half-life of 0.334 seconds. How long will it take, in seconds, for a 96 atom sample to decay to 3 atoms?

iris [78.8K]

Answer:3.34 seconds

Explanation:

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3 years ago

I do not have a question. I cannot even delete this

vivado [14]