MEDIUM
Earn 100

Give reasons for the following statement:

Tungsten is used in filaments.

Important Questions on Metals and Non-metals

EASY
Which of the following elements is a semi-metal?
EASY
Give reason for each of the following: Germanium is called a metalloid.
MEDIUM
What is the general name of the elements whose properties are intermediate between those of metals and non-metals?
EASY
How are metalloids different from metals. Name the metalloid
EASY
Which three groups of the Periodic table contain the most elements classified as metalloids (semimetals)? 
MEDIUM
The element which has an intermediate property between a metal and non-metal is known as?
EASY
Select metalloids from amongst the following elements:
(i) Bismuth, (ii) Copper, (iii) Zinc, (iv) Arsenic, (v) Iron
HARD
The atomic numbers of four elements P, Q, R and S are 6,8,14 and 16 respectively. Out of these, the element known as metalloid is:
EASY
The example of metalloid is:
MEDIUM
The element with atomic number 14 is hard and forms an acidic oxide and a covalent halide. To which of the following categories does the element belong?
MEDIUM
Name a few elements which are metalloids.
HARD
State what are metalloids. Name the elements recognised as metalloids. Compare the properties of metalloids with those of metals. State the uses of three different metalloids.
MEDIUM
What are metalloids? Name two metalloids.
MEDIUM
Name three elements which behave as metalloids.
MEDIUM
Which of the following is a metalloid?
EASY
The elements which behave like metals and non-metals are called _____. (transition metals / semi-metals)
MEDIUM
The three elements having chemical symbols of Si, B and Ge are:
EASY
The element that is a metalloid is: