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Ksju [112]
2 years ago
13

What is the product of radioactive decay 4/2he called?

Chemistry
2 answers:
riadik2000 [5.3K]2 years ago
3 0

A large unstable nucleus becomes tinier and emits an alpha particle during Alpha decay. 4/2He or the alpha particle that consists of two protons and two neutrons can be discharged from the nucleus during the disintegration of radioactive decay. It has a charge of positive 2.

Blababa [14]2 years ago
3 0

<u>Answer:</u> The product of the radioactive decay _2^4\textrm{He} is called as alpha particle.

<u>Explanation:</u>

Radioactive decay of the nuclei happens when a nuclei has to attain some sort of stability. It undergoes various decay processes and releases various particles during these decay process. The types of particles released are:

  1. <u>Alpha particle:</u> These are released during alpha decay. The particle released carry a mass of +4 units and a charge of +2 units. It is represented as _2^4\alpha
  2. <u>Beta particle:</u> These are released during beta decay. The particle released carry a mass of 0 units and a charge of -1 units. It is represented as _{-1}^0\beta
  3. <u>Gamma particle:</u> These are released during gamma decay. The particle released does not carry any charge and is electrically neutral. It is represented by \gamma -\text{particle}

Hence, the correct answer is alpha particle.

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How many grams are in 11.9 moles of chromirum
faust18 [17]

Answer:

Explanation:

Method 1 proportion

1 mole of chromium is 52 grams

11.9 moles = x grams

1/11.9 = 52/x                    Cross multiply

x = 11.9 * 52

x = 618.8                         grams

Now I have used an approximate mass for Chromium. The answer you get here is expected to reflect the weigth given on your periodic table Use that to get your answer. You should give a number very close to mine. Round to 3 places as in 619.

Method Two  Formula

mols = given mass / molecular mass

11.9 = given mass /  51.9961          Multiply both sides by  51.9961

11.9 *51.9961  = given mass            

given mass = 618.75

given mass = 619

3 0
3 years ago
What should be included in a science conclusion
QveST [7]
A science conclusion should simply have a statement identifying whether your experiment’s aim turned out to be true or false
7 0
1 year ago
What is a neutralisation reaction? Give two examples.
ozzi

Explanation:

A neutralization is a type of double replacement reaction. a salt is the product of an acid-base reaction and is a much broader term then common table salt.

Example:-

(i) HCl + NaOH ---> NaCl + HOH

(ii) H2SO4 + 2NH4OH ---> (NH4)2SO4 + 2HOH.

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2 years ago
Explain what happens to substances during a chemical change
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In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.

8 0
3 years ago
Read 2 more answers
The half life of plutonium-239 (239pu, pu-239) is 24,100 years. How much plutonium will remain after 1000 years if the initial a
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The mass of plutonium that will remain after 1000 years if the initial amount is 5 g when the half life of plutonium-239 (239pu, pu-239) is 24,100 years is 2.5 g

The equation is Mr=Mi(1/2)^n

where n is the number of half-lives

Mr is the mass remaining after n half lives

Mi is the initial mass of the sample

To find n, the number of half-lives, divide the total time 1000 by the time of the half-life(24,100)

n=1000/24100=0.0414

So Mr=5x(1/2)^1=2.5 g

The mass remaining is 2.5 g

  • The half life is the time in which the concentration of a substance decreases to half of the initial value.

Learn more about half life at:

brainly.com/question/24710827

#SPJ4

8 0
10 months ago
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