GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gold
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Hydrogen
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Salt
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Neon
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Detailed explanation-1: -chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds.
Detailed explanation-2: -Something like table salt (NaCl) is a compound because it is made from more than one kind of element (sodium and chlorine), but it is not a molecule because the bond that holds NaCl together is an ionic bond.
Detailed explanation-3: -Compounds are made up of two or more molecules.
Detailed explanation-4: -Molecules are of three types: Molecule of an atom, Molecule of an element and Molecule of a compound.