GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Molecule
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Element
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Compond
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Atom
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Detailed explanation-1: -An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.
Detailed explanation-2: -Monoatomic is when a molecule of an element contains only one atom. For example, Helium-He and Potassium-K.
Detailed explanation-3: -Pure substances are composed of a single element or compounds. Combinations of different substances are called mixtures. Homogeneous mixtures are mixtures of two or more compounds (or elements) that are not visually distinguishable from each other.
Detailed explanation-4: -A pure substance made up of only one kind of atom is called an element. It cannot be broken down into simpler substances through chemical methods. Hydrogen, Carbon, and Silver are examples of elements.
Detailed explanation-5: -Therefore, a pure substance which contains two different kinds of atoms is called compound.