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The atomic number, or Z, is the number of protons in the nucleus of an atom of an element. This is what determines what element an atom is. A link can be found below.

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12y ago
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5mo ago

The number of protons is called the atomic number, while the number of electrons is equal to the number of protons in a neutral atom.

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14y ago

Z= number of protons (posetive)= number of electrons (negative)= atomic number

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Q: What is the number of protons or electron called?
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Related questions

What electron has 51 protons and 72 electrons?

This electron would have 51 protons and 51 electrons. The number of electrons in an atom is equal to the number of protons, as atoms are electrically neutral.


How many protons and eletrons does carbon have?

count the number of protons which will be equal to number of electron.


Indicates the number of protons and electrons for this Sulfide ion?

A sulfide ion has 16 protons and 18 electrons. The additional electron gives the ion a negative charge, making the number of electrons greater than the number of protons.


The atomic number of an element is the number of?

Is the number of protons or electron found in a given (neutral) element.


If an atom losses an electron it will be positive and called a what?

If an atom loses an electron, it becomes positively charged and is called a cation. This occurs because the number of positively charged protons in the nucleus is greater than the number of negatively charged electrons.


What no. ef proton and electron in an atom?

Atomic number = Number of protons = Number of electrons


What is equal to the number of protons and is different for each element?

electron


The part of an element that never changes is the?

The number of protons.


What happens to the atomic number of sodium when it loses one electron?

The atomic number of an element represents the number of protons in its nucleus. When sodium loses one electron, it forms a positively charged ion (Na+), but the number of protons in its nucleus remains the same. Therefore, the atomic number of sodium does not change when it loses one electron.


Which subatomic particle determines the behavior of an element?

The number of protons in the nucleus of an atom determines the behavior of an element. This number is called the atomic number and it dictates the chemical properties of the element.


What is the total number of protons and neutron's in an atom called?

mass number = protons + nuetrons


What is the number of protons in the neucleus called?

The number of protons in the nucleus is called the atomic number.