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Margarita [4]
3 years ago
11

The time required for one-half of the atoms from a sample of a radioactive substance to decay is called its _____.

Chemistry
2 answers:
Orlov [11]3 years ago
8 0
A.) half - life of a radioactive substance is defined as the time during which concentration of the substance becomes half the initial value.
Angelina_Jolie [31]3 years ago
5 0

Answer:

The answer is A. Half-life Hope this helps!

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When the shift occurs in the earth's crust , what does the energy radiates us out as ?
Stels [109]
When a sudden break or shift occurs the energy radiates it comes out of the water
8 0
3 years ago
Which best explains why water is able to “stick” to the side of glass?
AveGali [126]

Explanation:

Adhesion means the ability to stick on the surface of another substance.

Water exhibits adhesive forces due to which it is able to stick to the glass.  Due to adhesive forces water spreads over the surface of glass and sticks to it.

These adhesive forces between the glass and water enough that it deforms the spherical shape of water molecules and help them stick to the surface of glass. As a result, adhesive forces overcome the repulsion between like molecules.

Hence, water is able to “stick” to the side of glass due to strong adhesive forces.


4 0
3 years ago
Read 2 more answers
What are the examples of physical chemistry?
OverLord2011 [107]

ANSWER:

Physical chemistry is the branch of chemistry that deals with the physical structure of chemical compounds, the way they react with other matter and the bonds that hold their atoms together. An example of physical chemistry is nitric acid eating through wood.

3 0
2 years ago
Of the colors on the visible light spectrum, which one has the longest wavelength, lowest frequency, and lowest energy?
Elenna [48]

Answer:

Red

Explanation:

Violet - shortest wavelength, around 400-420 nanometers with highest frequency. They carry the most energy.

Indigo - 420 - 440 nm

Blue - 440 - 490 nm

Green - 490 - 570 nm

Yellow - 570 - 585 nm

Orange - 585 - 620 nm

Red - longest wavelength, at around 620 - 780 nanometers with lowest frequency and least amount of energy

Therefore, <em>red </em>is the answer you're looking for.

I hope this helps and that you have a great day! :)

5 0
3 years ago
Why is gas compressible??
tekilochka [14]
Gases are compressible because most of the volume of a gas is composed of the large amounts of empty space between the gas particles. Hope this helped!
7 0
3 years ago
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