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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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How do you find the chemical element of an atom?

If you know how many protons the atom has, then that can tell you what element from the periodic table is classifying the atom.


What is in the center of the atom?

Nucleus. Composed of Protons and neutrons. Can be sub-divided further but you probably don't have to know that. (quarks and muons and such.)


How do you find the number of protons or electrons in a neutral atom of an element?

The number of protons in an atom is equal to the atomic number of the element, which can be found on the periodic table. Since atoms are electrically neutral, the number of electrons in a neutral atom is also equal to the number of protons.


What is the mass number of an atom of iodine with 76 nuetrons?

The mass number of an atom is determined by the number of neutrons and protons. Since you already know the number of neutrons, you just need the number of protons, then you can add them together. I happen to know that iodine has 53 protons, so that means that the mass number is 127.It is the protons and neutrons added together so when you add 53 and 74 you get 127! Hope that helped a lot!! :):):):):):):)


How many protons neutrons electrons and valence electrons are there in each atom in hno3?

In each atom of HNO3: There is 1 proton in the hydrogen atom, 7 protons in the nitrogen atom, and 16 protons in the oxygen atom. The number of neutrons can vary since it depends on the isotope of each element. There are 1 electron in the hydrogen atom, 7 electrons in the nitrogen atom, and 16 electrons in the oxygen atom. Each atom in HNO3 has 1 valence electron.

Related Questions

If you know the number of electrons in a neutral atom can you determine what the element is?

Yes, in a neutral atom the number of electrons and protons is equal, and it is the number of protons that determines what element the atom is. So, by looking at the number of electrons you can tell what element it is.


How do we know what makes up the atom?

An atom contain protons, neutrons and electrons.


The is determined by the number of protons in an atom?

The number of protons in the nucleus of an atom is known as the atomic number, which determines the chemical element, essentially different numbers of protons mean change the element you are looking at and hence the properties and reactions of that element.


How many protons are in a gold atom and how do you know?

A gold atom has 79 protons. This is determined by its atomic number, which is defined as the number of protons in the nucleus of an atom. The atomic number for gold is listed as 79 on the periodic table, confirming that each gold atom contains 79 protons.


How do we know what parts make up the atom?

An atom contain protons, neutrons and electrons.


How do you find the number of electrons in an atom if you know the number of protons and neutrons?

In a neutral atom, the number of electrons is equal to the number of protons of the nucleus.


What do you need to know to find the numbers of protons in an atom?

the protons are the same number of electrons in a neutral atom and they aren't changeable but different signal


If you know how many electrons an atom has what else do you know about this atom?

Generally how many protons it has, therefore what type of atom it is (i.e. carbon, hydrogen etc.)


How many protons are in a neurtal nitrogen atom?

There are seven protons within the nucleus of a Nitrogen atom. Also, just so you know, the number of protons stays the same no matter what the positivity or negativity of the atom. It is the number of electrons that defines this.


How do you find the chemical element of an atom?

If you know how many protons the atom has, then that can tell you what element from the periodic table is classifying the atom.


What do you know about the numbers of protons and electrons in an atom?

The number of protons defines what element the atom is, and it also defines how many electrons the atom has in its various orbitals in a normal state.There is one electron per proton in an atom in a normal state.


What is in the center of the atom?

Nucleus. Composed of Protons and neutrons. Can be sub-divided further but you probably don't have to know that. (quarks and muons and such.)