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Element. All helium atoms have 2 protons. What is the atomic number of helium?
Wiki User
∙ 7y ago
The only atom that contains one proton is the hydrogen atom, also called protium. It is neutrally charged with a single proton at its nucleus, and a single electron orbiting. It is possible that you are asking about the isotope of hydrogen called tritium. Tritium is a radioactive isotope of hydrogen that contains a single proton and two neutrons.
Wiki User
∙ 15y ago
lenpollock
Wiki User
∙ 7y agoThe atomic number and the number of protons are the same thing, so the atomic number of helium is 2.
Wiki User
∙ 11y agotwo
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What tells the number of protons in the nucleus of an atom of an element?
The atomic number of the element refers to the number of protons of an atom: all atoms of an element have this number of protons. A neutral atom of the element will have the same number of electrons.
How do you find the number of protons using the periodic table?
look at the atomic number on the element because the atomic number and the number of protons are the same.carbon
What is the atomic number of this element helium?
The atomic number of helium (He) is 2.
The atomic number determines the what?
The number of protons.
The number of protons in an atom of an element?
It is equal to the no. of electrons in the atom. It is called the atomic number.
What is Atomic number 2?
Atomic number 2 is Helium, which has the symbol He
What is the symbol for 2 electrons and 2 protons?
Number protons equal to atomic number. So the element is Helium
What does it mean if helium has mass?
atomic mass is the number of protons in that element molecule.
What tells the number of protons in the nucleus of an atom of an element?
The atomic number of the element refers to the number of protons of an atom: all atoms of an element have this number of protons. A neutral atom of the element will have the same number of electrons.
What has 2 electrons and 2 protons?
The atomic number of an element tells us that atom's number of protons. If the atom is neutral, its number of protons is going to equal its number of electrons. Thus, we need only find the element with the atomic number of 2, which is helium.
How do you find the number of protons using the periodic table?
look at the atomic number on the element because the atomic number and the number of protons are the same.carbon
An atomic number is equal to?
The atomic number is equal to the number of protons in the nucleus of an atom of that element. For example, oxygen has eight protons in its nucleus, helium has two, and hydrogen has one.
The atomic number of an atom is determined by the number?
The atomic number is the number of Protons in the nucleus of any particular element. Hydrogen has 1 proton, its atomic number is one; Helium has 2 protons, its atomic number is two; Lithium has 3 protons, its atomic number is three . . . Uranium has Ninety-two protons, its atomic number is 92
A sub atomic particle which determines the atomic number?
The atomic number of an element is equal to the number of protons in the nucleus of that element.
What is the term for the value that indicates the number of protons for an atom of a given element?
The atomic number is the number of protons in an atom of an element.
What are the two atoms that have th same number of proton called?
they are the same element because an element has an atomic number through its number of protons so if there was an element with 2 protons it would be number 2 in the periodic table which is helium, if another element has 2 protons it should be helium still, if it wasn't modified in anyway
The number of protons in a nucleus of an atom constitutes the?
The number of protons in a nucleus of an atom constitutes the proton number or atomic number of that element and is denoted as Z. For example, helium has atomic mass of 4 and atomic number of 2, thereby having two protons.
