MEDIUM
10th Jammu and Kashmir Board
IMPORTANT
Earn 100

Classify elements of the third period and as metals and non-metals.

Important Questions on Periodic Classification of Elements

MEDIUM
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Activity 7.9>Q ii

On which side of the Periodic Table do you find the metals?

MEDIUM
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Activity 7.9>Q iii

On which side of the Periodic Table do you find the non-metals?

EASY
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Questions>Q 1
How could the Modern Periodic Table remove various anomalies of Mendeleev’s Periodic Table?
EASY
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Questions>Q 2
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
EASY
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Questions>Q 3
Name(in increasing atomic mass):
(a) Three elements that have a single electron in their outermost shells.
(b) Two elements that have two electrons in their outermost shells.
(c) Three elements with filled outermost shells.
EASY
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Questions>Q 4
Lithium, sodium and potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements?
EASY
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Questions>Q 4
Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common?
EASY
10th Jammu and Kashmir Board
IMPORTANT
A Textbook of Science For Class 10>Chapter 7 - Periodic Classification of Elements>Questions>Q 5
In the Modern Periodic Table, which are the metals among the first ten elements?