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BARSIC [14]
3 years ago
6

In which pair do the particles have approximately the same mass?

Chemistry
1 answer:
vlada-n [284]3 years ago
7 0
The answer is (2). Both the proton and the neutron have masses around 1amu.
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What is the molecular formula of compound x?
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4 0
3 years ago
To whoever helps me thank you so much have a wonderful day!
Schach [20]

Answer:

N and P

Explanation:

Anion:

When an atom gain the electrons anion is formed. The negative sign shows that atom gain electron because number of electron are greater than protons or we can say that negative charge becomes greater than positive charge.

Cation:

When atom lose electron cation is formed. The atom thus have positive charge because number of positive charge i.e protons are increased are greater than negative charge or electron.

In given problem N and phosphorus both can gain three electrons which means negative charge becomes greater that's why the extra electron gained by atoms are written as -3 and both form anion with charge -3.

while Al form cation with charge +3 Mg form cation with charge +2 and iodine and bromine both form anion with charge of -1.

8 0
2 years ago
Which of the following is a pure substance? <br> brass<br> sodium<br> rocks<br> steel
Misha Larkins [42]
Homogeneous mixture<span>steel

</span>element<span>sodium


</span>mixture, homogeneous<span>brass



</span>
3 0
3 years ago
Read 2 more answers
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