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The type of a element is determined by the number of protons it carries. The element which have to protons is helium. An instance of the element with more electrons than protons, which makes it negatively charged, is called a anion or a negative ion. However, helium is one of, what are called, inert gases. The number of electrons in an inert gas is at the most stable number. It is quite hard to add or extract electrons from an inert gas. So without sounding absolute, He(-) is quite hard to come by.
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What element has 2 protons 1 neutron and 2 electrons?
Helium has 2 protons, 2 neutrons and 2 electrons. The symbol for helium is He and the atomic number is 2.
An example of an atom that has no charge is one that has A 2 protons 2 electrons and 1 neutron B 1 proton 2 electrons and 3 neutrons C 3 protons 1 electron and 3 neutrons?
The atom that has no charge is option A: 2 protons, 2 electrons, and 1 neutron. This is because the number of protons (positively charged) is equal to the number of electrons (negatively charged), making the atom electrically neutral.
What element has only 1 neutron?
The isotope helium-3 has only one neutron. It has 1 neutron, 2 protons and 2 electrons. You can get an atom's number of neutrons by subtracting its atomic number from its mass (nucleon) number.
What element has 4 protons and 2 electrons?
Beryllium (Be) has 4 protons and 2 valence electrons.
What element has 2 valence electrons and 4 protons?
The element with 2 valence electrons and 4 protons is beryllium. Beryllium has an atomic number of 4, indicating it has 4 protons in its nucleus. The valence electrons are the outermost electrons in an atom, and beryllium has 2 valence electrons in its outer energy level.
How many protons neutrons and electrons are there in 3He?
3He has 2 protons, 1 neutron, and 2 electrons.
How many protons and neutrons and electrons does helium-have?
Protons: 2 neutrons: 2 electrons: 2 Helium-3: 2 protons, 1 neutron, 2 electrons Helium-4: 2 protons, 2 neutrons, 2 electrons
What element has 2 protons 1 neutron and 2 electrons?
Helium has 2 protons, 2 neutrons and 2 electrons. The symbol for helium is He and the atomic number is 2.
An example of an atom that has no charge is one that has A 2 protons 2 electrons and 1 neutron B 1 proton 2 electrons and 3 neutrons C 3 protons 1 electron and 3 neutrons?
The atom that has no charge is option A: 2 protons, 2 electrons, and 1 neutron. This is because the number of protons (positively charged) is equal to the number of electrons (negatively charged), making the atom electrically neutral.
How many protons and electrons does the element Helium have?
One atom of helium contains 2 protons and 2 electrons. The most abundant isotope of helium, helium-4, has 2 neutrons. The other, rare isotope of helium, helium-3, has 1 neutron. (Source: Wikipedia)
What element has 2 protons in all?
Helium 2 protons 2 electrons
What element has only 1 neutron?
The isotope helium-3 has only one neutron. It has 1 neutron, 2 protons and 2 electrons. You can get an atom's number of neutrons by subtracting its atomic number from its mass (nucleon) number.
How many protons neutrons and electrons does the inert gas helium have?
2 protons, 2 electrons He-3 isotope has 1 neutron He-4 isotope has 2 neutrons
An element has 2 protons 2 electrons and 2 neutrons what is the element?
helium
What is helium gas mean?
Helium is a gaseous element at STP and has 2 protons, 2 electrons. He-3 isotope has 1 neutron whereas He-4 isotope has 2 neutrons.
How do you calculate the atomic mass of any element?
Find the element on the periodic table. Look at the number on the top. It is the relative atomic mass. Some Elements: Na - 23, Ne - 20 If you are not given the element name but only the information of the neutrons, protons and electrons. Add the protons and neutron together as they both are the one which contribute to the mass of the atom. Electrons are small so they do not add up to the mass of atom. Example: Element - Y (contain 2 protons, 2 electron, 2 neutron) Ar is 4. From the you can find out that element is He - Helium.
what element 3 protons and 2 electrons?
If it has 2 protons, it has to be Helium. Helium atom has 2 electrons also, so if it has 3 electrons, it would be He^-
