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atom have: 20 protons,20 electrons and20 neutrons

ion have: 20 protons 18 electrons( metals lose electrons) and20 neutrons

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Q: How many subatomic particles does an ion of calcium with an atomic number of 20 and an atomic mass of 40 hve?
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What is the subatomic particles on which the atomic number is based?

Number of protons in the nucleus is the atomic number.


What 2 subatomic particles can you determine from the atomic number?

Atomic number is same as the number of protons and number of electrons.


What is the number of subatomic particles of protons?

The number of protons is equal to the atomic number of a chemical element.


What subatomic particles controls the identity?

This particle is the proton which is equal to the atomic number.


What is ment by atomic number?

Atomic Number is the amount of Protons (positively charged subatomic particles) contained in the nucleus of an atom.

Related questions

What is the subatomic particles on which the atomic number is based?

Number of protons in the nucleus is the atomic number.


What two subatomic particles match the atomic number on the periodic table?

The two subatomic particles are protons and electrons. They match the atomic number on periodic table.


What of these subatomic particles are represented by atomic number?

This particle is the proton.


What 2 subatomic particles can you determine from the atomic number?

Atomic number is same as the number of protons and number of electrons.


Name the subatomic particles that the number of this particle is always the same as the atomic number?

The proton


The atomic number for an element is the total number of subatomic particles?

False; the atomic number is the total number if protons in the nucleus only.


What is the number of subatomic particles of protons?

The number of protons is equal to the atomic number of a chemical element.


What subatomic particles controls the identity?

This particle is the proton which is equal to the atomic number.


What is ment by atomic number?

Atomic Number is the amount of Protons (positively charged subatomic particles) contained in the nucleus of an atom.


What are the subatomic particles of calcium?

Calcium has 20 electrons and protons; the number of neutrons is specific for each isotope. Number of neutrons in a calcium atom = Mass number - 20


What 2 subatomic particles can you determine form the atomic number?

The number of protons as well as the number of electrons.


How do you find the atomic numbersof an subatomic particles?

NUmber of protons = Number of electrons = Atomic number Number of neutrons = Mass number - Atomic number