Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below.
The negatively charged particles in an atom
विकल्प
protons
neutrons
electrons
Advertisements
उत्तर
electrons
संबंधित प्रश्न
What is the difference between a pure substance and a mixture ?
Indicate whether the following statement is true or false:
Ozone is a triatomic molecule
Classify substances into pure and impure substances in the form of a chart or tabulation.
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
Select the correct answer to the statement given below:
A compound containing carbon, oxygen and calcium.
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
______ is a mixture of gases.
Give an account of elements known to us.
