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Byju's Answer
Standard XII
Chemistry
Groups
Noble gases b...
Question
Noble gases belongs to _______________ group of periodic table.
A
VII A
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B
VIII A
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C
VIII B
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D
VI A
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Solution
The correct option is
B
VIII A
Noble gases belongs to VIII A or 18th group of periodic table.
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Similar questions
Q.
Fill in the blanks:
(i) There are ________ groups and ________ periods in the modern form of periodic table.
(ii) Most electropositive elements belong to _________ group.
(iii) Most electronegative elements belong to ________ group.
(iv) Energy released when electron is added to a neutral gaseous atom is called ________.
(v) Size of the atoms ________ from left to right across a period and _________ on descending in a group of normal elements.
(vi) The maximum electronegativity is shown by _________.
(vii) Noble gases have __________ electron affinity.
Q.
(a) State the periodic law on which Mendeleev's periodic table table was based. Why and how was this periodic law changed?
(b) Explain why, the noble gases are placed in a separate group.
Q.
Match column I with column II and select the correct option from the codes given below:
Column I
Column II
A
Trachea
(
i
)
Alveolar air pO
2
B
Respiratory centre
(
i
i
)
ATP
C
Yeast
(
i
i
i
)
Catilaginous rings
D
Insects
(
i
v
)
Medulla region
E
Fish
(
v
)
Larynx
F
Biologically useful energy
(
v
i
)
Tracheal respiration
G
104
mm Hg
(
v
i
i
)
Ethanol
H
Vocal cords
(
v
i
i
i
)
Branchial respiration
Q.
Hydrogen finds a place in VII A group of periodic table because_________.
Q.
Which group of periodic table does this non-metal A belongs to?
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