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tamaranim1 [39]
3 years ago
13

Elements make up all things. What is it called

Chemistry
1 answer:
madam [21]3 years ago
3 0

Answer:

Matter

Explanation:

All matter is made up of substances called elements

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I need help quick..................
Iteru [2.4K]
I’m not really good at balancing chemical equations but I suggest you search Balance Chemical Equation - Online Balancer. This website will help you balance the equations you have. Hope this helps a little
4 0
3 years ago
Why is it harder to remove an electron from fluorine than from carbon, or, to put it another way, why are the valence electrons
AlladinOne [14]

Answer:

5. The valence electrons of both fluorine and carbon are found at about the same distance from their respective nuclei but the greater positive charge of the fluorine nucleus attracts its valence electrons more strongly.

Explanation:

Both fluorine and carbon are located in the second period of the periodic table, it means that they have 2 shells, so the valence electrons are found at about the same distance from their respective nuclei.

But fluorine has a higher atomic number, 9, than the carbon, 6. The atomic number represents how many protons there are in the nucleus, then there are more protons (positive charge) at the fluorine nucleus, and because of that, the attraction force between the nucleus and the valence electron is stronger in fluorine.

If the force is stronger, it will be necessary more energy to break the bond, so it will be harder to remove an electron from fluorine than from carbon.

5 0
3 years ago
What kind of reaction is CO2=C+O2
arlik [135]

Answer:

chemical decomposition

Explanation:

6 0
3 years ago
Which of the following is a sign of a chemical reaction?
Stels [109]
Color change , temp. change ,if a solid forms , umm there's probably more but that's all I remember
6 0
3 years ago
Determine the number of sub shells and orbital in the fifth main shell​
Black_prince [1.1K]

Answer: maximum no. is 8 in 5th shell

Explanation:

6 0
3 years ago
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