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What element has a mass number of 10?
A mass number of 10 means the total of protons and neutrons is 10. It can be either:Boron-10 has five protons and five neutrons but also can have 6 neutrons.Beryllium-10 has four protons and six neutrons. It is very rare and decays to boron-10. Beryllium-9 is much more common with four protons and fiveneutrons.
What is the atominc number the atomic mass the number of protons neutrons and electrons in an atom of neon?
Stats for helium:Atomic number: 2Atomic mass: 4.002Protons: 2 (the same as the atomic number)Electrons: 2 (same as the number of protons)Neutrons: 2 (usually)Symbol: He
Which of the following are considered noble gases?
Helium, Neon, Argon and if another Krypton.
Is krypton and neon the same thing?
No, krypton and neon are not the same thing. They are both noble gases on the periodic table, but they have different atomic numbers and properties. Krypton has an atomic number of 36, while neon has an atomic number of 10.
Which element is the least reactive in period 4?
Noble gasses are least reactive of all the elements. So the least reactive element in the period 4 is Krypton. It is a noble gas with an atomic number of 36.
Which element in period 5 of the periodic table has the greatest number of protons?
This element is the noble gas xenon (Xe) with 54 protons.
What is the group and period number of helium?
noble gases atomic number 2 chemical symbol He
What is the element symbol for the noble gas in the second period?
The element symbol for the noble gas in the second period is He, which stands for Helium.
Which noble gas has the least number of protons?
Radon (as down a group, the atomic size increases and the ionization energy decreases)
What element in period 6 has 86 protons?
The element with 86 protons in period 6 is radon, which has the chemical symbol Rn. It is a radioactive noble gas that is found in trace amounts in the Earth's atmosphere.
What is period 6 it is a gas and has 86 protons?
The number of protons is the same as the elements Atomic Number (86). So you can look it up on the Periodic Table.Element 86 is the gas Radon.NOTE is it NOT in period 4 it is in period 6
What is the chemical symbol a noble gas in Period 1?
He, helium
What is the number of protons in one atom of krypton?
Krypton is a noble gas. Atomic number of it is 36. It has 36 protons.
What element is a gas in period 6 and has 86 protons?
The element is radon (Rn), which has 86 protons. Radon is a noble gas that is located in period 6 of the periodic table.
What is a noble gas in period 4?
A noble gas in period 4 of the periodic table is Krypton. It is located in group 18 and has 36 protons. Noble gases are chemically inert and do not readily react with other elements.
What element is a noble gas in period 6?
The element Radon (atomic symbol Rn) is the noble gas found in Period 6 of the periodic table.
What is the proton definition of helium?
Helium is an element with the chemical symbol He and atomic number 2, which means it has 2 protons in its nucleus. It is a noble gas and is known for being colorless, odorless, and inert under normal conditions.
