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gtnhenbr [62]
3 years ago
15

Which action changes the identity of substance referenced

Chemistry
1 answer:
Scilla [17]3 years ago
5 0

Answer:

When iron turns to rust, the chemical identity of the iron changes. When you break ice, the ice is still ice

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What is the purpose of strawberry seeds
Neporo4naja [7]

Answer:

The goal there is for the fruit to not get eaten, so that the seed can rely on the fruit's nutrients to support its growth.” Presumably, the strawberry went for evolutionary option number one – attract something to spread the seeds  

Explanation:

7 0
4 years ago
The nervous systems consists of the brain and the...........
Artist 52 [7]

Answer:

spinal cord

Explanation:

The nervous system has two main parts: The central nervous system is made up of the brain and spinal cord.

7 0
3 years ago
The nth shell holds a minimum number of 2n2 electrons<br> True<br> False<br> Other:
BARSIC [14]

Answer: The statement the  n^{th} shell holds a minimum number of 2n^{2} electrons is true.

Explanation:

The alphabet 'n' denotes the principal quantum number whose value can be equal to 1, 2, 3, and so on but can never be zero.

Basically, 'n' is the number of shell of an atom and total number of orbitals present in a shell is n^{2}.

Each orbital can hold up to a maximum of wo electrons. Hence, the n^{th} shell can hold a minimum number of 2n^{2} electrons.

Thus, we ca conclude that the statement the  n^{th} shell holds a minimum number of 2n^{2} electrons is true.

8 0
3 years ago
Which elements in group is the most reactive nonmetals
klemol [59]

Answer:

flourine

Explanation:

8 0
1 year ago
2CO + O2 --&gt; 2CO2<br> What is the coefficient of carbon dioxide?
FrozenT [24]

Answer:

<h2> 2 is the coefficient of CO₂</h2>

Explanation:

The <u>coefficient</u> is the number in front of a substance that indicates how many molecules or atoms are. For example, when we see 5He, it shows that there are 5 atoms of helium. When we see 5H₂O, it indicates that there are 5 molecules of water, each having 2 atoms of hydrogen and 1 atom of oxygen, so a total of 10 hydrogen atoms and 5 oxygen atoms.

4 0
3 years ago
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