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प्रश्न
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
उत्तर
Atom contains nucleus , with positively charged protons
संबंधित प्रश्न
Differentiate between the following.
Filter Paper and Alum
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
State the number of atoms of CaCO3
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Indicate whether the following statement is true or false:
All elements are artificially prepared
Indicate whether the following statement is true or false:
Molecules combine to form atoms
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
Select the correct answer from the choice given below.
An impure substance
How are elements classified?
