Chemical Reactivity – Chemistry 9th – Level 4

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Chemical Reactivity - Level 4

Chapter 8 - Chemistry Class 9th - Test Preparation MCQs

Chapter : Chemical Reactivity (Level 4)
Subject : Chemistry
Class : 9th
Board : Sindh Board
Total MCQs : 10
Extract From : 9th Class Note Book
Time : 5 Minutes (30 Seconds for Each Question)

  1. Positively charged ion is known as:
  2. Electro positive character of metals:
  3. They have large atomic size and low ionization potential values.
  4. The valence shell electronic configuration of alkali metals is.
  5. Alkali earth metals form:
  6. The valence shell electronic configuration of alkaline earth metals is:
  7. The removal of electron from an element requires energy which is known as:
  8. With increasing atomic size, ionization energy values:
  9. It is sixth most abundant element and constitutes 2.87% of earth's crust.
  10. It is silvery white alkali metal which is so soft that it can be cut with knife.

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1. The valence shell electronic configuration of alkali metals is.

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2. Electro positive character of metals:

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3. With increasing atomic size, ionization energy values:

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4. It is silvery white alkali metal which is so soft that it can be cut with knife.

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5. Alkali earth metals form:

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6. The removal of electron from an element requires energy which is known as:

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7. The valence shell electronic configuration of alkaline earth metals is:

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8. They have large atomic size and low ionization potential values.

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9. Positively charged ion is known as:

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10. It is sixth most abundant element and constitutes 2.87% of earth's crust.

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