The chemical composition of diamond is
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Chemistry GK · all questionsInorganic Chemistry
Inorganic Chemistry
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Consider the following statements with reference to the periodic table of chemical elements.
1. Ionization potential gradually decreases along a period.
2. In a group of elements, electron affinity decreases as the atomic weight increases.
3. In a given period, electronegativity decreases as the atomic number increases.
Which of these statement(s) is/are correct?
1. Ionization potential gradually decreases along a period.
2. In a group of elements, electron affinity decreases as the atomic weight increases.
3. In a given period, electronegativity decreases as the atomic number increases.
Which of these statement(s) is/are correct?
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Approximately, how many different chemical elements exist in the Earth?
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Which is the most abundant element after oxygen?
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What is the usual property of oxides of Group III and IV?
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Which of the following is the most common element in the Universe?
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Assertion(A): In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group.
Reason(R): In a group, the atomic radii generally increase from top to bottom.
Reason(R): In a group, the atomic radii generally increase from top to bottom.
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The element found maximum in the soil layer is
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Which of the following is a fundamental element?
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Which one of the following is present in the largest amount in terms of percent by mass in the Earth's crust?
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