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3 years ago

Do protons and neutrons attract?

Chemistry

1 answer:

skelet666 [1.2K]3 years ago

7 0

Answer:

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<em>Thus protons repel each other but are attracted to neutrons. What follows is an introduction to the more complete model of nuclear structure. The nucleons (neutrons and protons) of a nucleus, whenever possible, form spin pairs (proton-proton, neutron-neutron and proton-neutron).</em>

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A sample of gas consists of 4.0 moles, and exists at stp. What is the volume of the gas?

faust18 [17]

Answer:

The volume of the gas is 89.60

Explanation:

When converting from moles to volume, you would multiply by 22.4 because 1 mole equals 22.4 liters at STP.

So...

4.0 moles * 22.4 liters =

89.60 liters

6 0

3 years ago

Read 2 more answers

i’m in desperate need of help haha. btw it’s 200 ml of a clear liquid and 50 ml of a different clear liquid. please help

Lelu [443]

C. a chemical reaction occurred when the two liquids were mixed

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3 years ago

Anyone know ?? I need help with this

nevsk [136]

Answer:

Explanation:

Because the amount of electrons in the outer shell can be a maximum of 8

Hope this helps

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3 years ago

The two methods in the lab for measuring the volume of a geometric solid object are weighing it on the balance and measuring it

Yakvenalex [24]

Answer:

Measuring with a ruler and using final volume minus initial volume

Explanation:

You can measure the volume of a geometric object by measuring its sides with a ruler and calculating the volume according to the corresponding formula for each object. For example, for a rectangular prism it would be

$volume=length*width*height$

You can also measure the volume of an object by measuring how much water it displaces. To do this you have to fill a measuring cylinder with enough water for the object to be completely submerged and take note of the volume. Then, add the object and note again the volume of the water+object. The difference between both is the volume of the object.

$Volume of the object= volume of water and object - volume of water$

The advantage of the second method is that it can be used for objects with irregular shapes as long as they do not float.

8 0

3 years ago

Which corresponds to the composition of the ion typically formed by magnesium?

nekit [7.7K]

The ion composition of Magnesium is 12,10, 2+.
Magnesium is a chemical element with symbol Mg and an atomic number 12, it has 12 protons, and 12 electrons with a chemical configuration of 2:8:2. It requires to loose two electrons to form a stable configuration forming a cation (positively charged ion) with a charge of +2 and a configuration of 2:8 ( 12 protons and 10 electrons).

3 0

3 years ago