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प्रश्न
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
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उत्तर
Elements contains two or more kinds of atoms and compounds contains two or more kinds of elements.
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संबंधित प्रश्न
TRUE \ FALSE
Neils Bohr gave the theory to explain the arrangement of protons in an atom.
Define:- Molecule
Write the names of `"FeS"` compounds :
Define: Chemical bond
What does an atom consist of ? Explain.
Give two examples for each of ionic and covalent bond.
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
Name the three subatomic particles present in an atom.
Dalton's atomic theory says that atoms are indivisible. Is this statement still valid ? Give reasons for your answer.
One nm is equal to :
Find the mass of 2 moles of nitrogen atoms.
In what respects do the three isotopes of hydrogen differ? Give their structures.
Draw the electron dot structure of this compound.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
Define the following term with an example.
Element
Define the following term with an example.
Metalloid
In all atoms of an element
The volume occupied by 4.4 g of CO2 at S.T.P ______
