CISCE Board - Class 7

Chemical Reactions & Atomic Structure question bank (Chemistry)

Practice 273 free CISCE Board - Class 7 Chemistry - Chemical Reactions & Atomic Structure questions with answers and step-by-step solutions.

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Q1.

Chemical Bonding: What type of bond is formed in 'Matter and its Composition: Dalton's Atomic Theory' by complete transfer of electrons?

(A)
Electrovalent (Ionic) bond (Matter and its Composition: Dalton's Atomic Theory)
(B)
Covalent bond
(C)
Coordinate covalent bond
(D)
None of these
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Q2.

Periodic Table Trends: Moving from left to right across a period in 'Matter and its Composition: Dalton's Atomic Theory', atomic radius:

(A)
Decreases due to increased effective nuclear charge ($Z_{\text{eff}}$) (Matter and its Composition: Dalton's Atomic Theory)
(B)
Increases rapidly
(C)
Remains constant
(D)
None of these
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