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mojhsa [17]
2 years ago
15

How do the isotopes of an element differ?

Chemistry
1 answer:
ra1l [238]2 years ago
5 0
They have different neutron number and thus different mass number, but they are the same element.
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Dylan changed a formless pile of sand into a sand castle. What other natural materials can be changed into art
amm1812

Other natural material such as clay, wood, and stones can be changed into art.

Clay is pliable and is very easy to be molded into different shapes and sizes.

Wood can easily carved into different shapes, also different patterns can be easily etched on wood.

Stones of different variety and from different geological sources are painstakingly converted into statues or portraits of different life forms and scenery.

7 0
3 years ago
When the volume of a gas is
Cerrena [4.2K]

Answer:

THE NEW VOLUME OF THE GAS IS 406 mL WHEN THE TEMPERATURE CHANGES FROM 765 K TO 315 K.

Explanation:

When the temperature changes from  765 K to 315K, the volume has changed from 986 mL to?

V1 = 986 mL = 0.986 L

T1 = 765 K

T2 = 315 K

V2 = unknown

Using Charles' equation of gas laws;

V1 / T1 = V2 / T2

Making V2 the subject of the formula:

V2 = V1 T2 / T1

V2 = 0.986 * 315 / 765

V2 = 0.406 L

V2 = 406 mL

So therefore, the volume of a gas changes from 986 mL to 406 mL as a result of a change in temperature from 765 K to 315 K.

7 0
2 years ago
Which force controls the size of an atomic nucleus?.
klemol [59]

Answer:

strong nuclear force

Explanation:

1, a force that acts on charged particles

2, a force that holds atomic nuclei together

3, gravity, weak nuclear, electromagnetic, strong nuclear

4, strong nuclear force

5, Gravity and the electromagnetic force have infinite ranges while the nuclear forces have very small ranges.

100% :)

3 0
2 years ago
Which salts are most affected by the pressure to dissolve(see the graph bellow) I will mark your answer the brainlest and i will
harkovskaia [24]

Answer:

CaCl2

Explanation:

As temperature increases pressure also increases so when the temperature is at 25 degrees C CaCl2 is already soluable in 100g of h20

3 0
3 years ago
What is an element that has more valence electrons than fluorine and less energy levels than sodium?
Radda [10]
From the periodic chart the only element between F and Na is Neon. Neon has one more valence electron 8 than fluorine 7, and is one energy level shy of Na.<span>
</span>
5 0
2 years ago
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