HARD
10th CBSE
IMPORTANT
Earn 100

Write the names and symbols of the two most reactive metals. Explain by drawing electronic structures how any one of the two metals react with a halogen. State any four physical properties of the compound formed.

Important Questions on Metals and Non-Metals

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 12
The atomic number of an element A is 9 and that of element B is 20. Write down the symbols of the ions you would expect to be formed from their atoms.
HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 13
The atomic number of an element X is 12 and that of Y is 8.
(a) Write the electronic configuration of X and Y.
(b) How these elements X and Y attain the nearest noble gas electronic configuration?
(c) What type of compound is formed between X and Y?
 
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 14
A solid compound has a high melting point. It does not conduct electricity in the solid-state but becomes a good conductor in the molten state. What type of chemical bonds are present in the compound?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 15
What type of bonds is present in water molecule? Draw the electron-dot structure of water H2O molecule.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 1
What is the difference between a mineral and an ore?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 2
Name two metals which can occur in the free state as well as in the combined state.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 3
Name four elements which occur in free state. Where are they present in the activity series? Why?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 4
What chemical process is used for obtaining a metal from its oxide?