Two different atoms have nine protons each and the same mass. however, one is neutral while the other has a positive charge. describe what each atomic structure could be, listing the possible number and location of all subatomic particles.

Answer :

Two different atoms have 9 number of protons.

One atom is neutral atom that means it has 9 number of electrons.

One atom has a positive charge that means it has 8 number of electrons.

The atom will be fluorine (F) because it has the 9 number of protons.

And the atomic mass of fluorine is 19.

As per given question, both the atoms have the same mass that means both the atoms has 10 number of neutrons.

Number of neutrons = Atomic mass - Atomic number = 19 - 9 = 10 neutrons

Therefore, the two different atoms could be, and and the location of all subatomic particles is that the protons and neutrons are present in the nucleus and the electrons are present around the nucleus.

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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answer: mercury

explanation: