Explain what is meant by the natural abundance of isotopes. Can someone help me to answer this plz

1 answer:

5 0

“Is a percentage of atoms with a specific atomic mass found in a naturally occurring sample of an element.” < you can try and put it in your own words or you could stick with that just add quotations :)

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When one form of energy is transformed into another no energy is destroyed in the process?

katrin2010 [14]

Yes that is true, when energy is transformed energy is not destroyed.

8 0

3 years ago

Sulfur dioxide So2 is present in our atmosphere and is used as a preservative in foods. Is it possible to use the common charges

telo118 [61]

Answer:

Your question is not interpreted very well, but as regards what is observed, SO2 is not the formula for sulfur oxide, the formula for sulfur oxide is SO since the valence used in sulfur would be +2 and oxygen -2 therefore the sum of these valences would be equal to zero, therefore it would be the correct thing considering the true equation as SO

Explanation:

There are also sulfur dioxide, or sulfur trioxide, which is usually used in the formation of tertiary salts such as copper sulfate.

sulfur trioxide and sulfur dioxide are synonymous with sulfate or sulphite

7 0

3 years ago

Name of th molecule 1. CH3CH2CHClCHBrCH3 2.C=C-CH3 CH3CH=CHCH2

Grace [21]

Answer:

1: 2-bromo-3-chloropentane

Explanation:

find longest carbon chain =5

place the Br and Cl on the carbon chain

follow naming rules I guess

4 0

3 years ago

Why does hydrogen have a -1 oxidation state in the compound NaH?

ruslelena [56]

your answer will be :

B. Na has a lower electronegativity than H

because Na belongs to alkali metals which are least electronegative (most electro positive) but hydrogen is a non metal, it has higher electronegativity as compared to metals like Sodium (Na).

6 0

3 years ago

. Use arrows to show electron pairing in the 4s and 3d orbitals of the following: Nickel

EastWind [94]

Answer:

See diagram and explanation

Explanation:

Nickel belongs to group 10 in the periodic table. Its valence orbitals are the 4s2 3d8 orbitals. Nickel has two unpaired electrons in ground state as we can see from the image attached.

The pairing pattern for nickel is also shown in the image.

5 0

3 years ago