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xxMikexx [17]
3 years ago
11

HELPPPP DUE NOWWW (5)

Chemistry
2 answers:
iVinArrow [24]3 years ago
7 0

Answer:

All the answers you chose are correct

Explanation:

zhannawk [14.2K]3 years ago
7 0

Answer:

I cant see the fist question but all that you chose are correct

Explanation:

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Which of the following is not observed in a homologous series? ​
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Change in chemical properties

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A mole is the amount of a substance that contains as many particles as the number of atoms in 12 grams of what isotope?
Ray Of Light [21]
The SI unit for amount<span> of </span>substance<span> is the </span>mole<span>. It has the unit symbol mol. The proportionality constant is the inverse of the Avogadro constant. The </span>mole<span> is defined as the </span>amount<span> of </span>substance that contains<span> an equal </span>number<span> of elementary entities as there are </span>atoms in 12g<span> of the </span>isotope<span> carbon-</span>12<span>.

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3 0
3 years ago
Which one is the right one dont mine the one i put that one is wrong
Degger [83]

Answer: The answer is B

Explanation:

7 0
3 years ago
Based on their electrons dot diagrams, what is the formula for the covalently bonded compound
Luda [366]

Answer:

Nitrogen, the next nonmetal, has 5 electrons in the valence shell, so it needs to combine with 3 hydrogen atoms to fulfill the octet rule and form a stable compound called ammonia (NH3).

5 0
2 years ago
Help me with this this is something i dont know and its not on here please help meeeeeee
denis-greek [22]

Answer:

it would be option A

Explanation:

This is becuase if you look at the chart you can see tyhat the group of rats that got feed to vitamans did gain more wati then the ones on the normal diet.

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