Advertisements
Advertisements
प्रश्न
Give the names and symbols of five familiar substances which you think are elements.
Advertisements
उत्तर
The names of five familiar elements are:
- Oxygen: O
- Iron: Fe
- Gold: Au
- Silver: Ag
- Hydrogen: H
APPEARS IN
संबंधित प्रश्न
What do you understand by :
Noble gases
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Phosphate
Give the symbol and the number of atoms of the following elements present in water.
Match the formulas of the following of bases with their correct names.
Bases – (a) NaOH (b) KOH (c) Ca(OH)2 (d) Zn(OH)2
Names – (1) Potassium hydroxide (2) Zinc hydroxide (3) Aluminium hydroxide (4) Calcium hydroxide (5) Sodium hydroxide
State the type of element for the following:
Xenon
State the type of element for the following:
Platinum
Write the radical of the following valency:
Phosphate
Give the formula of the following acid:
Sulphuric
Give the formula of the following acid:
Carbonic
______ of some elements are derived from Latin or Greek names of the elements.
