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myrzilka [38]
4 years ago
5

Only 2 of them are correct.

Chemistry
1 answer:
Evgen [1.6K]4 years ago
4 0

Is B and C ...........
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Required
Gala2k [10]

Answer:

As we move from left to right in periodic table atomic radii decreases.

Explanation:

Along period:

As we move from left to right across the periodic table the number of valance electrons in an atom increase. The atomic size tend to decrease in same period of periodic table because the electrons are added with in the same shell. When the electron are added, at the same time protons are also added in the nucleus. The positive charge is going to increase and this charge is greater in effect than the charge of electrons. This effect lead to the greater nuclear attraction. Thus the attraction of the atoms for valance electrons increases. The electrons are pull towards the nucleus and valance shell get closer to the nucleus. As a result of this greater nuclear attraction atomic radius decreases and ionization energy increases because it is very difficult to remove the electron from atom and more energy is required, and electronegativity increases.

Along group:

As we move from top to bottom in periodic table the atomic sizes increases.The electrons are added in next energy level in every next element. Thus the valance electrons farther away from the nucleus and hold of nucleus becomes weaker,  because of weak nuclear attraction atomic radii increases.The ionization energy decreases.

4 0
4 years ago
Who else dislikes there siblings?????
4vir4ik [10]

Answer:

i do lol

Explanation:

8 0
3 years ago
Read 2 more answers
What are the wind belts that extend 60 degrees latitude
german
<span>Polar easterlies are wind belts that extend 60 degrees latitude. </span><span />
8 0
3 years ago
A.6.10<br>B.90<br>C.6.00<br>6.20​
Sliva [168]

Answer:

6.1

Explanation:

Because if you get to the large mark it would be 5 but since its not at 5, it would be 6.1 as you can see in my drawing. It aligns perfectly with 6.1.

6 0
3 years ago
New substances formed during a chemical reaction are indicated -
Darya [45]

Answer:

on the right side of the equation and are called products

Explanation:

Reactants are on the left side of the equation. When reactants react, they give products.

Products formed are at the right side of the equation.

They are directed as reactant to product using an arrow pointing towards the products.

New substances formed are called products. Several By-Products can also be formed . They are also on the right hand side.

7 0
4 years ago
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