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pishuonlain [190]
3 years ago
14

What is energy? Give at least two examples of how you use energy in your everyday life.

Chemistry
2 answers:
Marrrta [24]3 years ago
7 0
The capability or ability to do work is called energy
scZoUnD [109]3 years ago
3 0

Answer:

To walk or run, and to wake up.

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Two elements that have the same ground-state valence shell configuration of ns 2 np 2 are
kvv77 [185]

Answer:

carbon and silicon

Explanation:

Various groups of elements in the periodic table have different outermost shell electron configurations. Actually, elements are classified into groups on the basis of the number of electrons on the outermost shell of those elements. All elements with the same number of electrons on their outermost shell belong to the same group in the periodic table.

For elements in group 14, they all have four electrons on their outermost shell. Their general outer electron configuration is ns2 np2 as shown in the question. Two prominent members of this group are carbon and silicon. This ns2 np2 is the ground state outer electron configuration of all group 14 elements in the periodic table.

6 0
3 years ago
Give the numbers of significant figures indicated 60.1<br><br> 0 <br> 3 <br> 1 <br> 2
denpristay [2]
3 significant figures
4 0
3 years ago
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You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated,satur
Natasha2012 [34]
Without being given a temperature or amount of solute, it's not as easy to find the level of saturation. If there is excess of solvent in the beaker, the solution is unsaturated. In this case, the solution is clear so there is no indication of excess of solute or solvent. Therefore, the solution is saturated.
6 0
3 years ago
Light shining from the surface of Mars would take about 182 seconds to reach Earth. Light travels through space at 186,282 miles
Sergeeva-Olga [200]
The distance light travels in 1 second - <span>186,282 miles
Therefore distance it takes to travel within 182 seconds - </span><span>186,282 miles/second x 182 seconds 
Therefore to find the answer we need to </span>multiply the distance it travels within a second with the amount of seconds it takes 
correct answer is A) <span>186,282 ⋅ 182</span>
5 0
3 years ago
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22<br> Which of these best describes atoms of the same element?
Misha Larkins [42]

An atom consists of three sub atomic particles which are protons, neutrons, and electrons. ... This nucleus is surrounded by the electrons as electrons revolve around the nucleus. Thus, we can conclude that out of the given options, a core of protons and neutrons surrounded by electrons best describes an atom.

and y'all still In school?

3 0
2 years ago
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