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No, only by the atomic number, also known as the number of protons.

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Atomic mass is determined by the number of protons plus the number of?

neutrons in an atom's nucleus. It is measured in atomic mass units (amu) and provides the total mass of an atom. The atomic mass is approximately equal to the sum of the protons and neutrons in the nucleus, as the mass of electrons is negligible.


Is determined by the number of protons and neutrons in a atom?

Atomic mass.


What determines the isotopes of an atom?

Different isotopes of an atom are determined by the number of neutrons it contains.


Why is not possible to determine the type of atom by simply knowing how many neutrons it has?

because the neutrons have no charge


What is the mass number of 10 protons and 10 neutrons?

20. the mass of an atom is determined by the sum of the number of neutrons and protons the atom has.


Can the mass number of an element be used to determine the number of electrons in an atom?

No, the mass number of an element represents the total number of protons and neutrons in the nucleus, but it does not provide information about the number of electrons. The number of electrons in a neutral atom is equal to the number of protons in the nucleus.


How many neutrons does an atom of 21Ne have?

An atom of 21Ne has 11 neutrons. This is determined by subtracting the atomic number (which is 10 for neon) from the atomic mass number (which is 21 in this case).


Which of the following particles is used to determine the mass of an atom?

Mass of an atom is determined by the no. of protons+ no. of neutrons in the atom.


What contributes to an atom's atomic number and to its mass number?

An atom's atomic number is determined by the number of protons in its nucleus, which are positively charged. The mass number is the sum of the protons and neutrons in the nucleus, as neutrons contribute to the atom's mass but not its charge.


If the atom has 14 protons and 12 neutrons what the atomic number?

The atomic number is the number of protons in an atom's nucleus, which in this case is 14. This is because the atomic number is determined by the number of protons in an atom, not the number of neutrons.


How many neutrons are present in atom of iron 54?

An atom of iron with a mass number of 54 contains 30 neutrons. This can be determined by subtracting the atomic number (26) from the mass number (54), which gives the number of neutrons in the nucleus.


What is counted in an atom to determine mass number?

The mass number of an atom is determined by counting the total number of protons and neutrons in its nucleus. Electrons, which are much lighter than protons and neutrons, are not included in the mass number calculation.