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प्रश्न
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
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उत्तर
If an atom loses an electron, it acquires positive a charge
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संबंधित प्रश्न
Write the names of the elements present in the:-
Glucose
What does an atom consist of ? Explain.
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
Name three non-metals/radicals which have valency -1, -2, and -3.
Write electronic configuration of oxygen, fluorine, sodium, silicon, argon.
Name the particle or particles you would expect to find in :
The orbit of an atom
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
Fill in the blank
An excess of electrons produces a ________ charge.
The electron shell ______ is nearest to the nucleus.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
State true or false. If false, correct the statement.
An atom is electrically neutral.
The volume occupied by 4.4 g of CO2 at S.T.P ______
In the nucleus of `""_20"Ca"^40`, there are ______
Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
The smallest unit of an element is ______.
______ is a substance that is made up of three oxygen atoms chemically combined.
