Too many to know in the world.
Answer:

Explanation:
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In this case, according to the Avogadro's number, it is possible to compute the atoms of Kr in 2.00 moles as shown below:

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Answer:
Subtract the charge from the atomic number. When an ion has a positive charge, the atom has lost electrons. To calculate the remaining number of electrons, you subtract the amount of extra charge from the atomic number. In the case of a positive ion, there are more protons than electrons.
Explanation:
Sorry I don’t get the question Buh I’m sure you’ll get it eventually
Electrons are found in the cloud that's surrounded the nucleus of an atom