Question

The missing components in the table to the right are indicated with orange letters. Use the periodic table in the tools bar and this link Web Elements to fill in the corresponding values.

A

B

C

D

Answer 1

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➷ A is 349

B is 3.16

C is 1.31

D is 0.93

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Answer 2

Step-by-step explanation:

When an electron is added to a neutral atom to convert it into a negative ion then the amount of change taking place in its energy is known as electron affinity.

Smaller is the size of an atom more readily an electron will be gain an electron because of strong force of attraction exerted by its nucleus towards the electron.

Therefore, values of missing components into the given table are as follows.

• Electronegativity is defined as the tendency of an atom to attract electrons towards itself.

• Electron affinity value of chlorine is -349 kJ/mol and its electronegativity value is 3.16.

• Electronegativity value of magnesium is 1.31 and electronegativity value of sodium is 0.93.