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hoa [83]
2 years ago
5

45 POINT HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Which of the following is correct in order of lowest

to highest energy?
Question 26 options:

X-rays, Visible Light, Microwave

Ultraviolet, Visible Light, Gamma-rays

Microwave, Visible Light, Gamma-rays 

Infrared, Visible Light, Microwaves 
Chemistry
1 answer:
maria [59]2 years ago
3 0
Ultraviolet, Visible Light, Gamma-rays
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Calculate the time it takes for an object moving with a speed of 13m/s to travel 50 m
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Answer:

<h3>The answer is 3.85 s</h3>

Explanation:

The time taken can be found by using the formula

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Which element has the same number of valence electrons as calcium?
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<u>Sulfur </u>is part of a group 16, called the chalcogens or oxygen family. Those atoms have 6 valence electrons. They can form a bound with atoms of group 2 such as calcium, but do not have the same number of valence electrons.

<u>Potassium</u> is part of group 1, called the alkali metals or lithium family. Those atoms have 1 valence electrons. That means  Potassium do not have the same number of valence electrons like calcium.

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