3 years ago

How to find number of valence electrons using electron configuration?

1 answer:

7 0

You find the valence electrons in an atom's electronic arrangement by consulting the periodic table.Hope this was helpful.

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the answer is account A

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3 years ago

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Ionic bonds happened between?

Leni [432]

Answer:

$\large \boxed{\sf metal \ and \ non \ metal}$

Explanation:

Ionic bond is a bond between metals and non-metals with strong forces of attraction between charged ions.

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3 years ago

What does “unsaturated” refer to when talking about solutions

vovangra [49]

Answer:

Not saturated

Explanation:

not saturated; having the power to dissolve still more of a substance. Chemistry. (of an organic compound) having a double or triple bond and capable of taking on elements or groups by direct chemical combination without the liberation of other elements or compounds, as ethylene, CH2 = CH2; undersaturated.

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3 years ago

Pb(NO3)2 + K2CO3 --> PbCO3 + KNO3 A. 5 B. 2 C. 4

emmasim [6.3K]

Answer:

Pb(NO3)2 + K2CO3 ----> PbCO3 + 2KNO3

The answer is B. 2

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4 years ago

A certain element forms an ion with 36 electrons and a charge of +2. identify the element. express your answer as a chemical sym

blsea [12.9K]

The element is Sr (strontium)

strontium is in atomic number 38 in the periodic table. Strontium has 2.8.8.8.8.2

it loses two electrons to become stable hence it has a charge of 2+. when strontium loses two electron it form ion with 36 electrons

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4 years ago