Question
what are the types of molecules of elements and compounds?

Answer

Elements are divided into three classes i.e. metals, nonmetals and metalloids. When two or more elements combine chemically in a fixed proportion by weight, a compound is formed. The properties of a compound are altogether different from those of the constitutional elements.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The gravitational force due to the earth also acts on the moon because of which it revolves around the earth. Similar situation exists for the artificial satellites orbiting the earth. The moon and the artificial satellites orbit the earth. The earth attracts them towards itself but unlike the falling apple, they do not fall on the earth, why?
Name and state the principle used to measure the specific heat capacity of a substance.
How is Balanoglossus connecting link between chordates and non-chordates?
Write the characteristics with reference to their classification:
Elephant:
Choose the correct option from the bracket andexplain the statement giving reason:
Addition of an aqueous solution of $ZnSO_4$ to an aqueous solution of $BaCl_2$​​​​​​​ is an example of _________________ reaction.
(displacement, double displacement, decomposition)
"We need to balance an unbalanced skeletal chemical equation". Justify the statement.
An electric tungsten bulb is connected into a home circuit. The home electric supply runs at $220 V$ potential difference. When switched on, a current of $0.45$ A flows through the bulb. What must be power $($wattage$)$ of the bulb? If it is kept on for $10$ hours, how many units of electricity will be consumed?
A radio set draws a current of 0.36A for 15 minutes. Calculate the amount of electric charge that flows through the circuit.
Nature and Scope of disaster Management.
Dose the parent cell exist after asexual reproduction fission?