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ScienceHard
Chemistry
Elements Compounds

Which element follows the 'diagonal relationship' with Magnesium?

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ScienceHard
Chemistry
Elements Compounds

What is the maximum number of electrons in the 4th shell (N shell)?

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ScienceHard
Chemistry
Elements Compounds

Which element has the highest electron affinity among the halogens?

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ScienceHard
Chemistry
Elements Compounds

Transition elements are found in which block of the periodic table?

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ScienceHard
Chemistry
Elements Compounds

What is the effective nuclear charge for the valence electron of a Sodium atom?

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ScienceHard
Chemistry
Elements Compounds

Which isotope of Hydrogen is radioactive?

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ScienceHard
Chemistry
Elements Compounds

The size of an anion is always _______ than its parent atom.

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ScienceHard
Chemistry
Elements Compounds

Which element has the unique property of catenation to the highest extent?

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ScienceHard
Chemistry
Elements Compounds

Which noble gas is not found in the atmosphere?

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ScienceHard
Chemistry
Elements Compounds

What is the total number of elements in the 6th period?

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ScienceHard
Chemistry
Elements Compounds

Which element is used in 'galvanization' to prevent rusting of iron?

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ScienceHard
Chemistry
Elements Compounds

A neutral atom of an element has 2, 8, 8, 1 configuration. How many neutrons are in its isotope with mass 40?

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ScienceHard
Chemistry
Elements Compounds

Which of these elements is a 'p-block' element?

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ScienceHard
Chemistry
Elements Compounds

What is the oxidation state of Manganese in \(KMnO_4\)?

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ScienceHard
Chemistry
Elements Compounds

Which of the following is an alkaline earth metal?

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ScienceHard
Chemistry
Elements Compounds

Which element has the highest thermal conductivity?

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ScienceHard
Chemistry
Elements Compounds

Which element is the primary component of steel?

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ScienceHard
Chemistry
Elements Compounds

What is the valency of the element with atomic number 14?

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ScienceHard
Chemistry
Elements Compounds

In the modern periodic table, where are the non-metals located?

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ScienceHard
Chemistry
Elements Compounds

Which gas is released when Sodium reacts with water?

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