Which element forms the structural backbone of all organic compounds?
Chemistry MCQs
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What is an atom with a net electrical charge called?
What is the smallest unit of an element retaining its properties?
What distinguishes isotopes of the same element?
Which group of elements is known for having full outer electron shells and low reactivity?
What is the gain of electrons called?
What pH value indicates a neutral solution?
How are elements arranged on the periodic table?
The chemical process where a substance transitions directly from the solid state to the gaseous state, bypassing the intermediate liquid state, is specifically known as what?
Which group of reactive metals is located in Column 1 of the periodic table?
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