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Fofino [41]
3 years ago
6

HELP QUICK!!!!!! How many valence electrons do the atoms in Group 13 have?

Chemistry
2 answers:
Andru [333]3 years ago
4 0

Answer:

The answer is 3 valance electrons.

Explanation:

Hope this helped Mark BRAINLIEST!!!

Keith_Richards [23]3 years ago
4 0

Answer:

3 valence electrons

Explanation:

The atoms in group 13 have three valence electrons.

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Number of representative particles in 3 moles Sn
AURORKA [14]

Answer:

18.066 × 10²³ particles

Explanation:

Given data:

Number of moles of Sn = 3 mol

Number of representative particles = ?

Solution:

The given problem will solve by using 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

For 3 mole of Sn:

3 × 6.022 × 10²³ particles

18.066 × 10²³ particles

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Identify Which two types of subatomic particles are located in the nucleus?
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Please help me the picture is above.
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