Name and State the Following with Reference to the Elements of the First Three Periods of the Periodic Table. a Covalent Compound Formed by an Element in Period 2 and a Halogen.

Name and state the following with reference to the elements of the first three periods of the periodic table.

A covalent compound formed by an element in period 2 and a halogen.

One Word/Term Answer

Carbon tetrachloride (CCl₄)

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Chapter 5: The Periodic Table - Exercise 5 (C) [Page 94]

Chapter 5 The Periodic Table
Exercise 5 (C) | Q 3.06 | Page 94

State how the valency of elements varies in a period of the periodic table?

What are the advantages of the periodic table?

An element barium has the atomic number 56. Look up its position in the periodic table and answer the following question.

Is it larger or smaller than caesium (Cs)?

Give the symbol and valency of the following element and radical.

Magnesium

Give the chemical formula of sodium bicarbonate

Give the chemical formula of carbonic acid

State the number of elements in Period 3 of the Periodic Table.

______ is the longest period in the periodical table.

Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.

It has a similar structure to diamond.

Name the following metal:

A metal present in period 3, group 1 of the periodic table.