Question

(4) J. Chadwick discovered
Smallest particle of matter which does not exist in free state is called
.(Atom, Molecule)
2. Choose the correct one:
(5)
Electronic configuration of an element is 2, 8, 1 what is its atomic number-
(a) 11
(b) 12
(c) 10
(d) 8
(2) Proton have contain a unit charge -
(a) Positive (b) Negative (C) No charge (d) None
(3) Robert Hooke discovered -
(a) Cell (b) Tissue (c) Ribosome (d) None
(4) Suicide Bag of a cell -
(a) Lysosome
(b) Ribosome
Mito condriya
(d) None of these
( Isotopes of an element have same -
Atomic number
(b) Atomic mass
(C) No. of proton
(d) None of these
(a)
(5)​

Answer 1

Answer:

1-atom

2-11

3-positive

4-lysosome

5-atomic mass

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Explanation:

Answer 2

Answer:

Smallest particle of matter which does not exist in free state is called atom.

1. (a) 11

2.(a) positive

3.(a) cell

4.(a) lysosome

5.(a) atomic number

Explanation:

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