Question

Q4. What do you mean by atomic number of an atom? What is the symbol of atomic number?​

Answer 1

Answer:

It is the no. of protons found in the nucleus of a cell

Its symbol is z

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Answer 2

Answer:- The number of protons in an atom of an element is its atomic number. Remember that:

all atoms of a given element have the same number of protons

atoms of different elements have different numbers of protons

An atom contains equal numbers of protons and electrons. Since protons and electrons have equal and opposite charges, this means that atoms are have no overall electrical charge.

For example, the atomic number of sodium is 11. Every sodium atom has 11 protons and 11 electrons. It has 11 positive charges and 11 negative charges.

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