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प्रश्न
Write the names of `"Ca"("NO"_3)_2` compounds :
उत्तर
`"Ca"("NO"_3)_2` - Calcium Nitrate
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संबंधित प्रश्न
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
Define:- Molecule
Write the names of the elements present in the:-
Ammonia
Fill in the blank:
Atoms are _____
Define: Relative atomic mass
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
Name the three subatomic particles present in an atom.
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
An atom of element E contains 3 protons, 3 electrons and 4 neutrons :
(a) What is its atomic number?
(b) What is its mass number?
(c) Write the electronic configuration of the element E.
(d) State whether element E is a metal or non-metal. Why?
(e) What type of ion, cation or anion, will be formed by an atom of element E? Why
(f) Write the symbol of the ion formed by an atom of element E.
(g) What could element X be?
Electron, proton, neutron are the types of ______ in an atom.
A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
With reference to the radical –
- ammonium
- bisulphate
- carbonate
state the group of atoms present in each radical.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of phosphorus
The smallest particle of matter that can exist by itself is ______.
State true or false. If false, correct the statement.
An atom is electrically neutral.
Name the sub-atomic particles.
Which of the following statements made by Dalton has not undergone any change?
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
The number of atoms present in a molecule is called its ______.
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
