3,820 Questions

Science Questions

All Science MCQs for CTEVT entrance exam.

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ScienceMedium
Chemistry
Elements Compounds

The tendency of an atom to attract a shared pair of electrons is called:

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ScienceMedium
Chemistry
Elements Compounds

Which element has the symbol 'Sn'?

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ScienceMedium
Chemistry
Elements Compounds

How many shells are used in the electronic configuration of Calcium?

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ScienceMedium
Chemistry
Elements Compounds

Which element is used in the filament of a light bulb?

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ScienceMedium
Chemistry
Elements Compounds

The reactivity of metals __________ down the group in alkali metals.

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ScienceMedium
Chemistry
Elements Compounds

Which element has the lowest atomic number among the halogens?

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ScienceMedium
Chemistry
Elements Compounds

What is the number of valence electrons in Oxygen?

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ScienceMedium
Chemistry
Elements Compounds

Which of the following is an alkaline earth metal?

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ScienceHard
Chemistry
Elements Compounds

Which element has the electron configuration $1s^2 2s^2 2p^6 3s^2 3p^1$?

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ScienceHard
Chemistry
Elements Compounds

Which element shows an exceptional electronic configuration due to the stability of half-filled subshells?

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ScienceHard
Chemistry
Elements Compounds

Across a period from left to right, the metallic character of elements:

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ScienceHard
Chemistry
Elements Compounds

Which of the following atoms has the smallest radius?

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ScienceHard
Chemistry
Elements Compounds

What is the atomic number of an element that would be placed below Fluorine in the same group?

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ScienceHard
Chemistry
Elements Compounds

Which property decreases down the group for halogens?

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ScienceHard
Chemistry
Elements Compounds

An element with atomic number 38 belongs to which group?

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ScienceHard
Chemistry
Elements Compounds

Which of these pairs are isobars?

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ScienceHard
Chemistry
Elements Compounds

The energy required to remove an electron from an isolated gaseous atom is:

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ScienceHard
Chemistry
Elements Compounds

Which element has the highest electron affinity in the periodic table?

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ScienceHard
Chemistry
Elements Compounds

Which block of the periodic table contains the transition elements?

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ScienceHard
Chemistry
Elements Compounds

What is the maximum number of electrons in the 3d subshell?

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