Electrons in the highest energy level of an atom are called ________.
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Battle of Tarain was fought in the year ________?
What is the value of sec 30° + cot 30°?
Ethylene is a ______ molecule.
Picture of which US President is on the 5 dollar note?
Select the odd word/letters/number/number pair from the given alternatives.
What is the capital of Portugal?
Equinox occurs when the sun is vertically above .....