VPM’s IAM INTERNATIONAL SCHOOL (ICSE), AIROLI

Q. 1 Complete the following table:-

Name of the group Common name

a. Group 1 ____________________________

b. Group 2 ____________________________

c. Group 17 ____________________________

d. Group 18 ____________________________

e. Group 3 TO 12 ____________________________

f. Group 13 TO 17 Post transition elements

Q. 2 What is periodic table?

Q. 3 Differentiate between Groups and Rows.

Q. 4 Name any two elements in each case:

i. Alkali metals

ii. Alkaline earth metals

iii. Halogens

iv. Inert gases

Q. 5 Elements of group 1 and group 17 both have valency 1. Explain.

Q. 6 Answer the following in respect of element:-

i. Give its electronic configuration.

ii. To which group and period does it belong?

iii. What is its valency?

iv. Is it metal or non-metal?

STD SUBJECT TOPICS

X CHEMISTRYIntroduction of different groups in PeriodicTable

Trends in Atomic Radius in the periodic table

S16

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Q. 7 Name the following:-i. An alkali metal in period 3.

ii. A halogen in period 2.

iii. Non-metals present in period 2.

iv. The elements of period 3 with valency 4.

Q. 8 Write the definition of the term ‘periodicity’.

Q. 9 What do you understand by atomic size (atomic radius). State its unit.

Q. 10 Give the trends in atomic size on moving:

i. Down the group

ii. Across the period left to right.

Q. 11 Arrange the elements of second and third period in increasing order of their atomic size (excluding noble gases).

Q. 12 Why is the size of i. Neon is greater than fluorine?

ii. Sodium is greater than magnesium?

Q. 13 Which is greater than in size and why?i. an atom or a cation

ii. an atom or an anion

Q. 14 Give reasons for the following:-i. The size of a Cl- ion is greater than the size of a Cl atom.

ii. Argon atom is bigger than chlorine atom.

iii. Inert gases do not form ion.

Q. 15 An element Barium has atomic number 56. Look up its position in the PeriodicTable and answer the following questions:i. Is it a metal and a non-metal?

ii. Is it more or less reactive than calcium?

iii. What is its valency?

iv. Is it larger or smaller than caesium (Cs) in size?

Q. 16 List the important periodic properties.

Q. 17 Arrange the following according to increasing order of atomic radii:-Si, Na, P, Al, Mg

Q. 18 The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. State thecommon feature in the electronic configuration of all of these.

�STD X- CHEMISTRY L. 1 Periodic Table, Periodic Properties and Variations of Properties��PERIODIC TABLE – LECTURE 1�(A tabular arrangement of elements in groups and periods highlighting the regular trends in properties of elements is called a Periodic Table.)�Slide Number 2Slide Number 3Slide Number 4Slide Number 5Slide Number 6Slide Number 7Slide Number 8Slide Number 9Slide Number 10Slide Number 11Slide Number 12Slide Number 13Slide Number 14Slide Number 15