Chlorine is the atomic number 17 in the periodic table of elements. what information does the atomic number give you about the element chlorine?
a) an atom of chlorine has 17 protons+.
b) an atom if chlorine has 17 protons+ and electrons-.
c) an atom of chlorine has 17 protons+ and 17 neutrons+.
d) chlorine atoms have 17 of each of the three subatomic particles, protons, neutrons, and electrons

A) An atom of chlorine has 17 protons+.

Explanation:

All atoms in periodic table is arranged in order such that all the atoms are in order of increasing atomic number in periodic table

Atomic number is defined as the total number of protons inside the nucleus of an atom

If atom is neutral then we can also say that number of electrons and number of protons will remain same always

So here we will say that

atomic number 17 for chlorine will represent the total number of protons in chlorine atom

so correct answer is

A) An atom of chlorine has 17 protons+.

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