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IgorLugansk [536]
3 years ago
10

Laws differ from theories because laws do not provide

Chemistry
1 answer:
o-na [289]3 years ago
7 0

Answer:

C. An explanation

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Discuss the significance of assigning an atomic mass of exactly 12 amu to the carbon-12 isotope.
evablogger [386]

Answer:

Cabon-12 has same average atomic weight and mass number.

Explanation:

carbon-12 has average atomic weight 12 amu and mass number of 12.

amu represents average of mass of a nucleon.

As carbon-12 has same average atomic mass and mass number therefore carbon-12 is a good standard to determine average mass of a nucleon.

Again, abundance of carbon-12 isotope is almost equal to 99%. Therefore fluctuation of average atomic weight from 12 amu is very very low.

So, carbon-12 is taken as a standard to determine mass of a nucleon.

Hence atomic mass of carbon-12 is 12 amu.

5 0
3 years ago
Scientists believe that interactions between atoms depend mostly on the arrangement of the outermost electrons in each atom. Thi
vova2212 [387]
I’m pretty sure it’s in a group (column) of the period table. Hope this helps :)))
5 0
3 years ago
5. Select the answer for both questions ​
salantis [7]

Answer:

engey

Explanation:

7 0
3 years ago
Match the following descriptions with the correct polysaccharide, note if you answer any part of this question incorrectly a sig
Ad libitum [116K]

Answer:

Glycogen. Cellulose. Amylose. Cellulose. Amylopetin and Glycogen. Amylopetin and Cellulose.

Explanation:

Glycogen is the form that glucose is stored in human body.

Cellulose is the structural part of plant cell walls and human cannot digest it.

Amylose is the polysaccharide linked mainly by the the bonds of \alpha 1,4 glycosidic.

Cellulose is an unbranched polysaccharide linked mainly by the bonds of  \beta 1,4 glycosidic.

Amylopetin and Glycogen are branched polysaccharides linked by the bonds of \alpha 1,4 glycosidic and \alpha 1,6 glycosidic.

Amylopetin and Cellulose are mainly stored in plants.

4 0
3 years ago
Do states need to be written in a chemical equation
Reptile [31]
Yes. because equation balances the number of particles.
4 0
3 years ago
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