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max2010maxim [7]
3 years ago
6

An increase in pressure increasing the boiling point of a liquid is an example of a- physical property b-chemical property c-phy

sical change d- chemical changcgre​
Chemistry
1 answer:
bazaltina [42]3 years ago
3 0

Answer:

Ans. C. physical change

Explanation:

Physical: boiling and melting are physical changes. When water boils no bonds are broken or formed.

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Maurinko [17]

Nickel has 28 electrons
5 0
3 years ago
Neptunium-237 was the first isotope of a transuranium element to be discovered. the decay constant is /s. what is the half-life
kari74 [83]

The half-life in years of Neptunium-237 which was the first isotope is 2.1 10^{6} years.

Neptunium is most stable and Neptunium-237 is undergoes alpha decay, it means Neptunium-237 is decays by the emission of alpha particles . Seven alpha particles is emitted during decay of  Neptunium-237.  Neptunium-237 is radioactive actinide  elements and first  transuranium element.

The transuranium synthesis process involves creating a transuranium element through the transmutation process . The transmutation process  is the process of creating heavy elements from light elements. Hence the process is the transmutation of light elements. There are two types: artificial and natural transmutation.

to learn more about transuranium element.

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6 0
2 years ago
1)Define potential Energy.
Margarita [4]

1. Potential Energy is stored energy a object has when it's not moving.

2. Potential Energy is it's highest on the first stage because as you see the roller coaster is bout to go down the tract which is going to higher the kinetic energy and lower the potential energy.

3. Kinetic Energy is the amount of energy a object has when it's in motion or moving.

4. Kinetic Energy is it's highest in the third stage after it's gone down the tract and potential energy fully decreased and it's at zero.

Remember that potential energy is stored energy so when a object is not moving in this case the roller coaster isn't moving on the first stage when its bout to go down the roller coaster. Kinetic energy is the amount of energy a object has when it's in motion so in this case the third stage would have the highest example of Kinetic energy because it's fully in motion and has no potential energy.

4 0
3 years ago
4. Corhplete the table below.
ella [17]

Answer:

Valency of the elements

  1. 1
  2. 2
  3. -2
  4. -1
  5. -1
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6 0
3 years ago
How can you tell the difference between an element and a compound
castortr0y [4]

Explanation:

An Element is one and a compound is more than 2elements

7 0
3 years ago
Read 2 more answers
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