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Karolina [17]
3 years ago
7

What do you understand by shared pair of electron ​

Chemistry
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer:Lone pairs are the valence electron pair of any element which do not take part in bonding but affect the shape of molecules. Bond pairs or shared pairs are the electron pair which does both affect the geometry of molecules and take part in chemical bonding. These are form due to sharing of electrons.

Explanation:

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How many hours per year does a high school student spend in school? hours per year
ki77a [65]

Answer: 1,260

Explanation: There are about 180 days in a school year. 7 hour school days x 180 about 1,260

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3 0
2 years ago
Which substances will make a salt when combined?
MariettaO [177]

Answer:

Sodium and chlorine combine to make salt

Explanation:

7 0
2 years ago
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A defibrillator delivers about 300 joules per shock calculate the number of calories
Tanya [424]

Answer:- 71.7 calories

Solution:- it is a unit conversion problem where we need to convert joules into calories.

The unit conversion for these energy units is:

1 calorie = 4.184 joule

The given energy is 300 joules and has to be converted to calories. We will show the set up using dimensional analysis.

300joules(\frac{1calorie}{4.184joules})

= 71.7 calories

So, the energy in calories is 71.7.


4 0
2 years ago
Your percent yield is 80%. The actual amount of product produced was 29.1
erastovalidia [21]

Answer: 36.3 grams

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8 0
3 years ago
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The formula for a compound of Li₊ ions and Br_ ions is written LiBr. Why can't it be written Li₂Br? Why isn't it written BrLi?
bogdanovich [222]

Answer:

.

Explanation:

Lithium is in the first column of the periodic table, so it will have 1 valence electron.

Bromine is in the seventh column of the periodic table, so it will have seven valence electrons.

They must combine in a way to reach 8.

When combining elements to form compounds, the "crisscross method" is used. Above Li would be a charge of +1, and above Br would be a charge of -1.

Cross the 1 from the top of Li to the bottom of Br, and so there is 1 Br.

Cross the 1 from the top of Br to the bottom of Li, and so there is 1 Li.

It is not written BrLi because chemists decided to order them the other way. Technically speaking, it isn't wrong, but the positive charge is normally put on the left and the negative charge is normally put on the right.

5 0
3 years ago
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