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3 years ago

What is it called when an atom has the same number of protons but a different number of neutrons?

Chemistry

2 answers:

defon3 years ago

5 0

It is called an isotope.

maks197457 [2]3 years ago

3 0

Isotopes are different forms of the same element which have the same number if protons but a different number of neutrons.
Eg: Carbon-12 has 6 protons, 6 electrons and 6 neutrons whereas Carbon-13 has 6 protons, 6 electrons and 7 neutrons
Hope this helps :)

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What is the result when earth layers experience extension stress? Question 2 options:

Vika [28.1K]

Answer:

stretching and thinning of the Earth's crust occurs.

Explanation:

The result of the extension stress on Earth layers is the stretching and thinning of the Earth's crust occurs.

When there is a stress on the Earth's layers, the Earth's crust experiences the phenomena of stretching and thinning.

4 0

2 years ago

Try try try please for me please

Inga [223]

Answer:

a.) It is a chemical reaction because a new substance was formed and a colour change occurred in the reaction.

b.) Iron- Metallic element

sulpher- Non-Metalic element

Iron Sulphide- Compound

HOPE IT HELPS....

8 0

3 years ago

Can someone please help????nThis is sooooo hard

Rashid [163]

Answer:

See explanation.

Explanation:

I highly suggest you watch OChem Tutor's videos on IUPAC nomenclature because the actual naming would take a lot of time to teach in text-based format. But here is how to name them:

1) I think there are two seperate pictures for number 1. The molecule on the left is 1-pentene and the one on the right is 4-methyl-1-pentene. If the whole thing is one molecule but there is just a bond missing where the red marker numbers are, that molecule would be 9-methyl-1,6-decadiene.

2) 4-methyl-2-pentene

3) 2,4-octadiene

4) 1,5-nonadiene

5) 2,5-dimethyl-3-hexene

6) 3,6-dimethyl-2,4-heptadiene

7) 2,5,5-trimethyl-2-hexene

6 0

2 years ago

What is always true of a strong base

ololo11 [35]

Umm. . . Could you list some options? :)

5 0

3 years ago

Read 2 more answers

Which type of reaction is Pb(NO3)2 + 2HCl → PbCl2 + 2HNO3?

Ganezh [65]

Answer:- D. Double- replacement reaction

Explanations:- In general, the decomposition reactions looks like:

$AB\rightarrow A+B$

The given reaction looks different than this and so it is not decomposition reaction.

A single-replacement reaction looks like:

$AB+C\rightarrow AC+B$

Our reaction looks different from this so single-replacement is also not correct.

Synthesis reaction looks exactly opposite to decomposition reaction.

$A+B\rightarrow AB$

The given reaction is different than this and so it is not synthesis reaction also.

A double-replacement reaction looks like:

$AB+CD\rightarrow AD+CB$

In this reaction, the ions are exchanged as could be seen in the general reaction. On reaction side,A is with B and C is with D. On product side, A is with D and C is with B.

The same is happening in the given reaction. Nitrate ion is with lead metal on reactant side and chlorine is with hydrogen, On product side, Chlorine is with lead metal and nitrate ion is with hydrogen. So, ion exchange has taken place here and so this is a double-replacement reaction and choice D is correct.

4 0

3 years ago