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Alexxx [7]
3 years ago
12

Name the types of waves that make up the electromagnetic spectrum from longest wavelength to shortest wavelength.

Chemistry
1 answer:
baherus [9]3 years ago
7 0

Answer:

Radio waves, Microwaves, Infrared waves, Visible Light waves, Ultraviolet waves, X-rays, Gamma waves.

Explanation:

Create an acronym to help you remember. Mine's Read Mary's Incredible Vision; Little Until Xavier Grows.

R. M. I. V. L. U. X. G.

(I broke apart visible light into two different ones but you don't have to.)

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I really need help this is for a test I will give a lot of points.
Cerrena [4.2K]

Answer:

7.7 normility and pH

Explanation:

Trust me im an 13 LEVEL COLLEGE TOUR

4 0
2 years ago
You need to make 10.0 L of 1.2 M KNO3. What molar ( concentration) would the potassium nitrate solution need to be if you were t
solniwko [45]

Answer:

2.5L [NaCl] concentrate needs to be 4.8 Molar solution before dilution to prep 10L of 1.2M KNO₃ solution.

Explanation:

Generally, moles of solute in solution before dilution must equal moles of solute after dilution.

By definition Molarity = moles solute/volume of solution in Liters

=> moles solute = Molarity x Volume (L)

Apply moles before dilution = moles after dilution ...

=> (Molarity X Volume)before dilution = (Molarity X Volume)after dilution

=> (M)(2.5L)before = (1.2M)(10.0L)after

=> Molarity of 2.5L concentrate = (1.2M)(10.0L)/(2.5L) = 4.8 Molar concentrate

6 0
2 years ago
What is the correct answer ?
AlexFokin [52]

Answer:

Element with 6s subshell

Explanation:

Reactivity of an element depends on the electronic configuration and position of element in the periodic table as reactivity increases as we go down the periodic table.

This is so because number of shell increases as move down the periodic table and the last electron is further away from the nucleus.

Element with 6s subshell is the largest among 3s and 4s subshell and has more number of shells so it will react more than 3s and 4s subshell.

Hence, the correct answer is "Element with 6s subshell".

3 0
3 years ago
HOW do we know about life from before human time?
GenaCL600 [577]

B fossils

hope this helps :)

8 0
3 years ago
A radioactive substance of mass 768g has a half life of 3 years. After how many years does it leave only 6g undecayed?​
vagabundo [1.1K]

Answer:

The answer is 21 years.

Explanation:

7×3

8 0
2 years ago
Read 2 more answers
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