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Mariulka [41]
3 years ago
7

What is the change of an atom of one element (atom) to an atom of different element called?

Chemistry
2 answers:
Dahasolnce [82]3 years ago
6 0
Nuclear transmutation is the conversion of one chemical element or isotope into another. In other words, atoms of one element can be changed into atoms of another element by transmutation.
Leno4ka [110]3 years ago
6 0
Water is the correct answer
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givi [52]

Answer: 51.9961 g/mol, don't know if it helps :)

Explanation:

7 0
3 years ago
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How many protons electrons and neutrons does the isotope nitrogen 15 have
Ivenika [448]
Answer:

The atomic number of<span>N<span>157</span></span> 
The number of protons is 7
The number of electrons is 7
The number of neutrons is 8

Explanation:

The atomic number of Nitrogen is 7 because Nitrogen has 7 protons. 
The seven protons attract 7 electrons in the ground state.

If the atom had fewer or more than 7 protons the atom would not be Nitrogen.

The mass of the atom is the sum of protons and neutron. so

p + n = mass ( protons (p) and neutrons(n) both have an atomic mass of one

7 + n = 15 subtract 7 from both sides

<span>7−7+n=15−7</span>

n = 8

4 0
3 years ago
Refer to the example about diatomic gases A and B in the text to do problems 19 - 27.
soldier1979 [14.2K]

Answer:a

Explanation:

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3 years ago
Indicate whether each of the following would increase or decrease the rate of reaction
mote1985 [20]

The rate of a chemical reaction is affected by temperature, Catalysts, Suface area, Concentration.

<h3>Rate of reaction</h3>

The rate of a chemical reaction is the rate at which the concentration of reactant molecules decreases or the concentration of product molecules increases.

<h3>Factors effecting rate of chemical reaction </h3>

The factors that affect the rate of chemical reaction include:

  1. Temperature: increase in temperature increases reaction rate while decrease in temperature decreases reaction rate.
  2. Catalysts: the present of catalysts increase the reaction rate. Some catalysts decreases reaction rate and are known as negative catalysts.
  3. Surface area: increase in surface area of reactants increases reaction rate.
  4. Concentration: Increase in concentration of reactants increases reaction rate while decrease in concentration of reactants decreases reaction rate.

Therefore, the rate of a chemical reaction is affected by temperature, Catalysts, Suface area, Concentration.

Learn more about rate of reaction and factors affecting reaction rate at: brainly.com/question/15841605

7 0
2 years ago
How much water would I need to add to 500 ml of a 2.4 M KCL solution to make a 1.0 M solution
Yuki888 [10]

the answer is 700ml

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