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Molodets [167]
3 years ago
14

Chemistry is not my subject please help

Chemistry
1 answer:
Dafna1 [17]3 years ago
3 0

djdjgj#dddjfdjgjvjfjfj

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What is the number of the group that has the most reactive nonmetals (give number and letter- Ex 1A, 2A, etc.)?​
Kryger [21]

Answer:

Group 7A

Explanation:

The group 7A elements consists of the most reactive non-metals on the periodic table.

This group is known as the group of halogens. They consist of element fluorine, chlorine, bromine, iodine and astatine.

  • The elements in this group have the highest electronegativity values.
  • They have 7 valence electrons and requires just one electron to complete their octets.
  • This way, they are highly reactive in their search for that single electron.
3 0
3 years ago
Why the partial charge on H in HF is more positive than the partial charge on H in HBr
erik [133]
Because fluorine has a higher electronegativity
8 0
3 years ago
How can you make a solution more saturated?
NNADVOKAT [17]
Heat the solution till all the water molecules are no longer in the solution.
Or add more solute till it stops dissolving.(maximum point of dissolvtion.)
7 0
3 years ago
A deck of cards has dimensions 8.9cm x 5.72cm x 1.82 cm. What is the volume of the deck in cubic centimeters?
arsen [322]

Answer:

92.65256 cm^3

Explanation:

To find this, we can simply multiply all three dimensions to get the answer in cubic centimeters, and we get the answer above. If you want to be more specific, we can go by the sigfig rule and the answer would be rounded to 93 cm^3.

5 0
3 years ago
A mixture that has two or more substances that are spread out evenly is called _____
svlad2 [7]

Answer:

D

Explanation:

heterogeneous mixture you can see the different substances that go into it.

homogeneous mixture you can't see the difference, the mixture looks like one substance.

6 0
3 years ago
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