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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
Fill in the blank
An ion with negative charge is called _______
What does an atom consist of ? Explain.
Who originated the word ‘atom’ ?
What does the word ‘atom’ mean?
Write the relation between nanometre and metre.
The electronic configuration of an element Z is 2, 8, 8.
(a) What is the atomic number of the element?
(b) State whether element Z is a metal or a non-metal.
(c) What type of ion (if any) will be formed by an atom of element Z? Why?
(d) What is special about the outermost electron shell of the atom of this element?
(e) Give the name and symbol of element Z.
(f) Name the group of elements to which Z belongs.
Define the following term:
Atom
The electron shell ______ is nearest to the nucleus.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
What will be the charge present of the molecule XY after chemical combination?
The smaller particles found in the atom is called ______.
K: Potassium:: C: ______.
Define the following term with an example.
Metal
Define the following term with an example.
Non-metal
Which of the following statements made by Dalton has not undergone any change?
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
Atoms of different elements having the same number of ______ are called isotones.
Which of the following has maximum number of atoms?
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order
- Rutherford’s atomic model
- Thomson’s atomic model
- Bohr’s atomic model
The most abundant type of atom is the universe is ______.
