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murzikaleks [220]
2 years ago
10

Use the data in the table to answer the following question.

Chemistry
1 answer:
Kobotan [32]2 years ago
3 0

Can you get a closer picture?

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An atom is described as a nucleus of protons and neutrons surrounded by a(n)
abruzzese [7]
(C) Electron cloud

the electron cloud is formed by all the electrons in the atom
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3 years ago
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Consider a 100-gram sample of radioactive cobalt-60.
svetlana [45]

It will take 5.2 years to decay.

The half life of cobalt-60 is 5.2 years. The half life is the time taken for the mass of the substance to decrease by a half.

here, the amount of remaining substance is 50%,

so, (\frac{1}{2} )^{n} = 0.5

n. log (0.5) = log (0.5)

n = 1

So it would take 1 half lives to decay this much, which is 1 x 5.2 which is 5.2 years.

what do you mean by radioactive decay ?

The process through which an unstable atomic nucleus loses energy via radiation is known as radioactive decay, also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration. A material that has unstable nuclei is considered as radioactive.

Learn more about decay here:-

brainly.com/question/13853996

#SPJ1

7 0
1 year ago
What four factors influence the rate of a homogeneous reaction.
Anika [276]
1) concentration or partial pressure of species
involved. 2) temperature • 3) presence of catalyst
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2 years ago
Um cilindro de êmbolo contém certa quantidade de um gas nobre a 27°C, o qual exerce pressão de 1,5 atm e ocupa volume de 6 litro
OverLord2011 [107]

Answer:

45c

Explanation:

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3 years ago
Which part of an atom is mostly empty space?
Brilliant_brown [7]
I’m pretty sure it’s B

Hope that helps

7 0
2 years ago
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