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Byju's Answer
Standard IX
Chemistry
Properties of Alpha, Beta and Gamma Radiations
a. What are a...
Question
(a). What are alpha particles?
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Solution
Alpha particle : A positively charged particle that consists of two protons and two neutrons bound together. It is emitted by an atomic nucleus undergoing radioactive decay and is identical to the nucleus of a helium atom.
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Q.
α
particles are :
Q.
In a given electric field,
β
−
particles are deflected more than
α
−
particles, inspite of
α
−
particles having larger charge.
Q.
Assertion :
β
−
p
a
r
t
i
c
l
e
s
are deflected more than
α
−
p
a
r
t
i
c
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s
in a given electric field.
Reason :
Charge on
α
−
p
a
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t
i
c
l
e
s
is larger than on
β
−
p
a
r
t
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.
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α
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particles are :
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