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miv72 [106K]
2 years ago
7

What are natural resources

Chemistry
2 answers:
steposvetlana [31]2 years ago
8 0
Resources which are found in nature like water :3
Angelina_Jolie [31]2 years ago
5 0
Resources that come from nature, some examples include: Water, Gold, Oil, Coal, Apples, Oranges, etc. 
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How many elements make up this chemical compound CO2FeHN3CoBNa2
Travka [436]
Seven elements make up the compound
4 0
3 years ago
In a fluorine atom, on which energy level are the valence electrons found?
aivan3 [116]

Answer:

second energy level

Explanation:

Valence electrons are those electrons which are present in outer most orbital of the atom.

This can be easily found through the electronic configuration of atom.

Electronic configuration of F:

F₉ = 1s² 2s² 2p⁵

We can see that the valence electrons are present in second energy level of F atom.

There are seven valence electrons of fluorine.

It is called halogens.

Halogens are very reactive these elements can not be found free in nature. Their boiling points also increases down the group which changes their physical states. i.e fluorine is gas while iodine is solid.

Fluorine:

1. it is yellow in color.

2. it is flammable gas.

3. it is highly corrosive.

4. fluorine has pungent smell.

5. its reactions with all other elements are very vigorous except neon, oxygen, krypton and helium.  

6 0
3 years ago
Predict the order of elution if you were to attempt to separate using column chromatography on silica gel and with a gradient el
Minchanka [31]

Answer:

Follows this order: B=> A => C.

Explanation:

NB: kindly check the attachment for the diagram of compounds A, B and C.

Elution is a very important concept in chromatography separation techniques. It deals with the use of eluent in the removal of an adsobate from an adsorbent. The principle behind Elution is just about how polar the solvent is.

So, in this question Compound B will go with the Elution first because of its polarity. Compound B has lesser polarity as compared to Compounds A and B.

Compound A will then elutes second because of its polarity too as resonance increases its polarity.

Last, compound C elutes because it has the highest polarity which is caused by electronegative atoms.

6 0
2 years ago
Which option identifies what might change Larry's mind in the following scenario? Larry is not interested in participating in hi
Finger [1]

Answer:

providing bins for each recyclable material could change Larry's mind, coz in return of unnecessary things of household she's getting bins in return so she might get interested!

6 0
3 years ago
Suppose that you are a scientist who studies climate changes. While examining the rings of tree trunks, you notice several very
alexandr1967 [171]

Answer:

The climate was wet and cold

Explanation:

8 0
3 years ago
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