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The number of protons is equal to atomic number and the number of electrons (for a neutral atom).

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13y ago

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Can you determine the element with only knowing the number of protons?

The number of protons is the "atomic number", so you look that up in the periodic table.


What number is used to determine how many electrons are in a neutral atom?

The number used to determine how many electrons are in a neutral atom is the atomic number, which is the number of protons in the nucleus of the atom. In a neutral atom, the number of electrons is equal to the number of protons, thus balancing out the positive charge of the protons with the negative charge of the electrons.


Which student can use their information to determine an atoms identity?

A student who knows the specific number of protons in the atom's nucleus can use this information to determine the atom's identity. The number of protons in an atom is its atomic number, which is unique for each element on the periodic table.


How do you determine the number of protons electrons and neutrons present in an element by identifying its atomic and mass numbers from the periodic table?

Atomic number means number of protons present in an atom. Atomic number= number of protons. mass number = number of neutrons+ number of protons. So if you subtract the number of protons you get neutrons and if you subtract neutrons you get protons. mass number - protons= neutrons Mass number - neutrons = protons.


How do you know how many protons an atom has by looking at a picture of it?

The number of protons in an element is the same as its atomic number. Hydrogen (atomic number 1) has 1 proton. Gold (79) has 79 protons, and so on. The number of neutrons is the same as its atomic number.

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