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monitta
3 years ago
7

Which correctly describes the location and charge of the electrons in an atom

Chemistry
1 answer:
Dmitry [639]3 years ago
3 0
Hey there!


Electrons are negatively charged and orbit the nucleus of the atom on energy levels (kind of in a cloud) :)

(The blue dots on the picture)
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What type of organism might contain this type of cell
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What are lower and higher energy levels.
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Which compound is produced when HCl(aq) is neutralized by Ca(OH)2(aq)?
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6 0
2 years ago
3.311x divided by 10^25 particles= ? moles
algol13

Answer:

5.5 moles of given substance.

Explanation:

The given problem can be solved by using the Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

Solution:

3.311 ×10²⁵ / 6.022 × 10²³ = moles

5.5 moles of given substance.

5 0
3 years ago
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