. Define with examples: atom, nucleus,
Atoms, molecules, elements
Symbols, signals, compounds.
Answers
Answer:
Explanation:
Atom-the smallest particle of a chemical element that can exist
Eg:hydrogen and argon
Nucleus-is the central and most important part of a cell
Eg:centre core of an atom
Molecules-a group of atoms bonded together
Eg:water(H2O)has 3 atoms
Elements-each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms
Eg:Carbon,oxygen,hydrogen
Symbols-a thing that represents or stands for something else, especially a material object representing something abstract.
Eg:Black is used to represent death or evil.
White stands for life and purity.(if it is from geo then it has different examples)
Signals-a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned
Eg:sorry did not get any
Compounds-made up or consisting of several parts or elements.
Eg:Sodium chloride
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