MEDIUM
10th Manipur Board
IMPORTANT
Earn 100

What is Newlands' Laws of octaves? Explain with an example.

Important Questions on Periodic Classification of Elements

MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Let us answer these>Q 4
What were the limitations of Newlands' law of octaves?
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Let us answer these
What was Mendeleev's principle for the classification of elements?
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Let us answer these

Using Mendeleev's periodic table, predict the formula for the oxides of the following elements:

K, C, Al, Si, Ba.

MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Let us answer these
Besides gallium, which other elements have since been discovered that were left by Mendeleev in his periodic table? (any two)
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Let us answer these
Give your reason why the noble gases are placed in a separate group.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Activity 1.1.
Find out the element present in the Group1 of the periodic table.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Activity 1.1.
Write down the electronic configuration of the first four elements of the group1.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 1 - Periodic Classification of Elements>Activity 1.1.
What similarities do you find in the electronic configuration of the first four elements of the Group1?