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Free_Kalibri [48]
3 years ago
15

What happens in the process of beta decay?

Chemistry
1 answer:
Andrej [43]3 years ago
6 0

Answer:

A neutron transforms into a proton and an electron.

Explanation:

i took the test got an 100%

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What is the abbreviated electron configuration of iodine (I)?
castortr0y [4]

Answer:

b) [Kr] 5s² 4d¹⁰ 5p⁵

Explanation:

Properties of iodine:

Iodine is present in group seventeen.

It is halogen element.

Its atomic mass is 127 amu.

Its atomic number is  53.

It is present in solid form.  

It is crystalline in nature.  

It is very corrosive and has pungent odor.  

It can not react with oxygen and nitrogen.  

Electronic configuration:

I₅₅ = 1s² 2s² 2p⁶  3s³ 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵

Abbreviated electronic configuration:

I₅₅ = [Kr] 5s² 4d¹⁰ 5p⁵

Abbreviated electronic configuration is shortest electronic configuration by using the noble gases.

5 0
3 years ago
Energy can interact with objects and cause them to ________ or change
scoundrel [369]

Answer:contact forces or transfer energy(not sure)

Explanation:

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3 years ago
Which of the following does not change the energy of the reactants relative to the activation energy?
creativ13 [48]

Answer:

Adding a catalyst

Explanation:

  • Activation energy is the minimum amount of energy needed to start a chemical reaction
  • A Catalyst is a material that increases the rate of a reaction by lowering the activation energy. In other words, a catalyst act to provide an alternative route for the reaction which has a lower activation energy.
6 0
2 years ago
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What must happen in order for water to change state?
malfutka [58]

Answer:

B

Explanation:

if it releases energy it becomes a solid(Solid)

if it absorbs energy it becomes a gas(Water Vapor)

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3 years ago
Can I please know What are the answers for #s 1,2,3,4 ?
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1 wavelength, 2 crest, 3 trough, 4 wave height <3
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