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Elena L [17]
3 years ago
11

In order to calculate the number of neutrons you must subtract the what from the what?​

Chemistry
2 answers:
Katyanochek1 [597]3 years ago
6 0

Answer:

You take the atomic, or proton number of the element, and you subtract it from the element's mass number.

fredd [130]3 years ago
3 0

Answer:

protons

Explanation:

neutrons and protons make up the mass of the atom

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Given 1kg=2.20 lbs, how many kilograms are in 125 lbs?<br> (Metric conversion)
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Answer:

56.82 Kg

Explanation:

Given data:

1 Kg = 2.20 lbs

Number of kilogram in 125 lbs = ?

Solution:

lbs is used for pound. lb is abbreviation of libra. It is Latin word meaning balance.

Both kilogram and pounds are units of mass. Pound is smaller unit than kilogram.

one Kg = 2.20 lbs

Number of kg in 125 lbs:

125 lbs × 1 Kg/2.20 lbs

125 lbs.Kg/2.20 lbs

56.82 Kg

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