Questions and Answers
What is the primary characteristic of an element?
It is a substance that cannot be broken down into other substances by chemical reactions
Which separation technique involves the conversion of a liquid into vapour that is subsequently condensed back to liquid form?
Distillation
What is the process of separating components of a liquid, especially ink?
Chromatography
What is the term for the solidification of a liquid substance into a highly structured solid?
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What is the primary factor that affects the solubility of a substance?
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What is the process of separating an insoluble solid from a liquid through filter paper?
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What is the process of particles moving from an area of high concentration to an area of low concentration?
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What is the term for the average mass of all different isotopes of an element?
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What is the result of the formation of a covalent bond between two atoms?
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What is the name of the process in which a solid changes directly into a gas?
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What is the outermost energy level of an atom called?
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What is the number of electrons required by Hydrogen and Helium to achieve a stable outer shell configuration?
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