Metals
Trending Questions
Q.
Which of the following is a metal?
Scandium
Phosphorous
Iodine
Graphite
Q. Metal which occurs in the native state is
- Pt
- Na
- Ca
- Mn
Q.
The constituent of haemoglobin is _______.
Iron
Sodium
Magnesium
Copper
Q.
Observe the table and identify metals and nonmetals. Select the correct option.
Sl.NoSet−1Set−21.Sodium(Na)Oxygen(O)2.Magnesium(Mg)Chlorine(Cl)3.Iron(Fe)Helium(He)4.Gold(Au)Sulphur(S)5.Calcium(Ca)Carbon(C)
Set - 1 (nonmetals) and Set - 2 (Metals)
Both Sets - 1 & 2 are Metals
Both Sets - 1 & 2 are nonmetals
Set - 1 (Metals) and Set - 2 (nonmetals)
Q.
Which of the following metal is the main constituents of haemoglobin?
Na
Cu
Fe
Mg
Q.
The valency of magnesium is _____.
2
1
3
4
Q. Electrostatic forces of attraction operate between oppositely charged particles of an atom.
- False
- True
Q. Ionisation energy of helium is that of hydrogen.
- more than
- less than
- equal to
Q. Match the following regions with the maximum no. of electrons they can hold.
- 8
- 18
- 2
Q. gold is the purest form of gold.
- 22 Carat
- 24 Carat
- 26 Carat
- 23 Carat