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To determine the number of protons, neutrons, and electrons in an atom, you first need to know the atomic number, which represents the number of protons and, in a neutral atom, also the number of electrons. The mass number, which is the sum of protons and neutrons, can be used to calculate the number of neutrons by subtracting the atomic number from the mass number. For example, if an atom has an atomic number of 6 (carbon) and a mass number of 12, it has 6 protons, 6 electrons, and 6 neutrons (12 - 6 = 6).

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Related Questions

What type of properties do valence elcectrons determine for an element?

Valence electrons determine the reactivity of the element.


What three particles determine which element you have?

An atom of an element is comprised of protons, electrons, and usually neutrons. The specific element is determined by the number of protons, and so there is only one particle that determines the element.


How can you determine the number of electrons in an element?

To determine the number of electrons in an element, you can look at the atomic number of the element on the periodic table. The atomic number represents the number of protons in the nucleus of an atom, which is equal to the number of electrons in a neutral atom.


How can one determine the electron configuration of an element?

To determine the electron configuration of an element, one can use the periodic table to identify the element's atomic number, which indicates the number of protons in the nucleus. Then, electrons are distributed into energy levels and sublevels according to specific rules, such as the Aufbau principle and the Pauli exclusion principle. This process helps to determine the arrangement of electrons in an atom's orbitals.


How can one determine the number of electrons in an element?

To determine the number of electrons in an element, you can look at the element's atomic number on the periodic table. The atomic number represents the number of protons in the nucleus of an atom, which is equal to the number of electrons in a neutral atom.


How can one determine the number of electrons for an element on the periodic table?

To determine the number of electrons for an element on the periodic table, you can look at the element's atomic number. The atomic number represents the number of protons in the nucleus of an atom, which is equal to the number of electrons in a neutral atom.


What number of an element can be used to determine the number of electrons in an atom?

The atomic number of an element can be used to determine the number of electrons in an atom. It is equal to the number of protons in the nucleus of an atom, which also corresponds to the number of electrons in a neutral atom.


What do Valence Electrons determine?

Valence electrons determine the reactivity and chemical behavior of an element. Elements with the same number of valence electrons exhibit similar properties and tend to form similar types of chemical bonds.


Can you determine whether the atoms are the same element with out looking at the nuclei?

To a certain extent yes. In a balanced element the number of electrons match the number of protons in the core of the element. If electrons have been added or removed (as in an ion) then you would need to know the exact number added/removed, or rebalance the element, in order to determine the specific element.


How can you determine the number of valence electrons for an element on the periodic table?

To determine the number of valence electrons for an element on the periodic table, you look at the group number of the element. The group number tells you how many valence electrons the element has. For example, elements in group 1 have 1 valence electron, elements in group 2 have 2 valence electrons, and so on.


How do you determine the number of valence electrons for an element on the periodic table?

To determine the number of valence electrons for an element on the periodic table, you look at the group number of the element. The group number tells you how many valence electrons the element has. For example, elements in Group 1 have 1 valence electron, elements in Group 2 have 2 valence electrons, and so on.


Do electrons determine what kind of element an atom is?

Yes, the number of electrons in an atom determines its chemical properties and therefore what kind of element it is. The arrangement of electrons in an atom's energy levels is responsible for the element's characteristics such as reactivity and bonding behavior.