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Chemistry CBSE Live product
Class 9 (2026-27)
Journey Inside the Atom
PT2 Revision - Journey inside the atom
4.
TBQ - Finding the element
Question:
4
m.
Complete the
given
table with the
right
answer:
Atomic number
Mass Number
Number of Neutrons
Number of Protons
Number of Electrons
Name of the Element
13
27
\(10\)
\(9\)
\(11\)
14
\(10\)
13
\(12\)
\(9\)
\(10\)
\(9\)
\(11\)
13
Aluminium
Magnesium
Sodium
Lithium
1
1
\(1\)
0
\(2\)
\(3\)
1
\(4\)
\(3\)
\(2\)
\(2\)
\(3\)
1
\(4\)
Calcium
Lithium
Magnesium
Hydrogen
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