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प्रश्न
Name the particle or particles you would expect to find in :
The nucleus of an atom
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उत्तर
The nucleus of an atom : protons and neutrons
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संबंधित प्रश्न
WRITE SHORT ANSWER
Name three inert gases.
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
Write the names of the elements present in the:-
Sodium hydroxide
Write the names of `"Ca"("NO"_3)_2` compounds :
Fill in the blank
An ion with positive charge is called ______
How did Neils Bohr visualise the atom ?
Fill in the blank
A deficiency of electrons produces a ________ charge.
Why is it not possible to see an atom even with the most powerful microscope ?
One nm is equal to :
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.
In what respects do the three isotopes of hydrogen differ? Give their structures.
The smallest particle of matter that can exist by itself is ______.
K: Potassium:: C: ______.
Define – Atom.
Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
The volume occupied by 4.4 g of CO2 at S.T.P ______
The graphite refill used is pencil is made of element called ______.
The most abundant type of atom is the universe is ______.
A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.
