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How many electrons are in an atom of selenium with a mass number of 79 and an atomic number of 34?
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoYour question answers itself, 34.
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How do you work out how many electrons in an atom?
An atom's atomic number is the number of electrons.
What atomic number of an atom reveals the number of?
The atomic number of an atom is its number of protons. For instance, a hydrogen atom has an atomic number of one, meaning there is one proton in one hydrogen atom. Also, as there are the same number of protons as there are electrons in a neutral atom, the atomic number can also be thought of as the number of electrons in an atom, as long as the atom's neutral.
What do you notice about the atomic number and the total number of electrons in an atom of that element?
The atomic number tells you the number of protons that an element has. An electrically neutral atom necessarily has the same number of electrons as it has protons.
What pieces of information best describes the atomic number of an atom?
Atomic number = number of protons in an atom, and = number of electrons in an atom.
Number of electrons in argon?
In any neutral atom, the number of electrons is the same as the number of protons, and that is defined as the atomic number of the atom. The atomic number of argon is 18; therefore, each atom contains 18 electrons.
How many electrons are in the element selenuim?
Atomic number= No. of electrons in the atom. Atomic no. of selenium=34. Therefore,selenium has 34 electrons in each of its atom.
How many protons neutrons and electrons are in a selenium atom?
Selenium (Se) has an atomic number of 34 which means in a balance atom Se will have 34 protons and 34 electrons then Se has a mass of 79 so to get the neutrons we minus the protons from the mass and we get 45 final answer: Neutrons: 45 Protons:34 Electrons: 34
What can be determined by looking at the atomic number of an element?
the number of protons in an atom and the number of electrons in an atom
How do you work out how many electrons in an atom?
An atom's atomic number is the number of electrons.
What is the relationship between the atomic number and the electrons in neutral atom?
In a neutral atom the number of protons is equal to the number of electrons. And by definition the atomic number of an atom is equal to the number of protons in it. So the atomic number of a neutral atom is equal to the number of protons or the number of electrons in the atom.
What is the atomic number of an atomic indicate?
Atomic number of an atom shows the number of protons in the nucleus of the atom. OR Atomic number of an atom is the number of electrons in the atom when the atom neutrally charged
What is the atomic number in an atom?
Atomic number = number of protons as well as the number of electrons in an atom.
What atomic number of an atom reveals the number of?
The atomic number of an atom is its number of protons. For instance, a hydrogen atom has an atomic number of one, meaning there is one proton in one hydrogen atom. Also, as there are the same number of protons as there are electrons in a neutral atom, the atomic number can also be thought of as the number of electrons in an atom, as long as the atom's neutral.
What is atomic numbers?
Atomic numbers are the number of protons and electrons in a atom.
How many electrons are in a neutral atom atomic number 6?
In a neutral atom, the number of electrons is always the same as the atomic number.
Does the number of electrons in an atom give its atomic number?
The number of protons is equal to atomic number; in a neutral atom the number of electrons is also equal to the numbers of protons.
What do the atomic number and the mass number tell you about the atom?
the atomic number is the number of protons/electrons in the atom
