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Study the periodic table below and answer the following questions.

Modern Periodic table
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A part of periodic table is given below:

 

I A

II A

III A

IV A

V A

VI A

VII A

O

Period-2

Li

Be

B

C

N

O

F

Ne

Period-3

Na

Mg

Al

Si

P

S

Cl

Ar

 

Study the above periodic table to answer the following question.

  1. Write name of two most reactive non-metals.
  2. Name the most reactive metal.
  3. Draw atomic structure of that element which is placed in period -3 and has valency 4.
  4. Name inter gases.

1 Answer


1.

The two most reactive non metals are:

Florine (F)

Chlorine (Cl)

2.

Sodium (Na) is the most reactive metal.

3.

Silicon (Si) element is placed in period-3 and has valency -4. The atomic structure of silicon is given  below:

4.

Neon (Ne) and Argon (Ar) are the inert gases.

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