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s2008m [1.1K]
3 years ago
9

3. Beta decay is when a proton and ______ are emitted from a neutron.

Chemistry
1 answer:
ziro4ka [17]3 years ago
7 0

Answer:

d. positron

that's the answer brainly tells me I need to write at least 20 characters and that's d u m b.

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Which of the following is an example of a situation where work occurs?
SIZIF [17.4K]

Answer:

D is the answer may be. I'm not sure.

4 0
2 years ago
An element with the valence electron configuration 4s24p4 would form a monatomic ion with a charge of fill in the blank 5 . In o
nordsb [41]

Answer:

Charge= -2.

Gains two electron into the 4p^4 to become 4p^6.

Explanation:

The element in the periodic table/chart that matches with the valence electron configuration is Selenium with full electron configuration of [Ar] 3d^10 4s^2 4P^4 which is a non-metal that is found in group 4 of the periodic table/chart.

Selenium can receive 2 more electrons on the 4p^4 to give a -2(minus 2) ion that is Se^2-.

Selenium can also loose 2 electron from 4s^2 to give a +2 ion that is Se^2+.

Selenium can also loose 2 electrons from 4s^2 and 2 electrons from 4p^4 to form Se^4+.

Selenium can also loose 2 electrons from 4s^2 and 4 electrons from 4p^4 to form Se^6+.

Thus, in order to form a monatomic ion with a charge(we will be making use of the most stable one). Thus, it will gain two more electron since this is easier to become 4s^2 4p^6.

4 0
3 years ago
What is the difference between a homogeneous and a heterogeneous mixture?
Ne4ueva [31]

Answer and explanation :

DIFFERENCE BETWEEN HOMOGENEOUS AND HETEROGENEOUS MIXTURE :

  • In homogeneous mixture the component which are present in the mixture all are in the same proportion whereas in heterogeneous mixture the component which are present in the mixture don't have the same proportion
  • We can not pick out the component of homogeneous mixture but in heterogeneous mixture we can pick out the components from the mixture
  • Example of homogeneous mixture is water, oil ,water sugar solution, milk  blood etc. And example of heterogeneous mixture is solution of sand and water ,concrete etc.
7 0
3 years ago
AWhich of the following terms is NOT used to refer to white blood cells?
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Answer:

C. Platelet

Hope this helps!

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2 years ago
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At each step, a dichotomous key involves how many choices
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Two, hope this helps
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3 years ago
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