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elena55 [62]
3 years ago
12

Which statement describes the charge and location of an electron in an atom?

Chemistry
2 answers:
Jlenok [28]3 years ago
8 0

Electrons carry a negative charge, and are found in orbits, or shells, around the nucleus of the atom.

NemiM [27]3 years ago
3 0

Answer is: It has a negative charge and is located in orbitals around the nucleus.

The electron (symbol: e⁻) is a subatomic particle whose electric charge is negative one elementary charge.

Electrons are moving in energy levels around nucleus.

The electron has a mass that is approximately 1/1836 that of the proton.

Electrons have properties of both particles and waves.

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Consider this reaction:
aleksklad [387]

Answer:   0.0345 sec

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

Rate=k[H_3PO_4]^2

k= rate constant = 46.6s^{-1}

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant

t = age of sample

a = let initial amount of the reactant

a - x = amount left after decay process  

for completion of 20 % of reaction

t=\frac{2.303}{46.6}\log\frac{0.660}{\frac{20}{100}\times 0.660}

t=\frac{2.303}{46.6}\log\frac{0.660}{0.132}

t=0.0345sec

The time taken for the concentration of H_3PO_4 to decrease to 20% to its natural value is 0.0345 sec

6 0
3 years ago
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Explanation:

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alexandr402 [8]
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Explain why the quantum number set (2, 2, -1, -½) is not possible for an electron in an atom.
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