Advertisements
Advertisements
प्रश्न
Give the symbol of the following element:
Silicon
उत्तर
Name | Symbol |
Silicon | Si |
APPEARS IN
संबंधित प्रश्न
Name the element used as a standard for atomic mass scale.
What is a symbol? What information does it convey?
Give two examples of the following:
Solid + Liquid mixture
Give the names and symbols of the first twenty elements of the periodic table.
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
State the type of element for the following:
potassium
State the type of element for the following:
Mercury
Give the formula of the following acid:
Nitric
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Zincate
What is the rarest natural element on the earth?