Argon
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
Argon is a gas. atomic number of it is 18.
Oxygen is a gas. atomic number of it is 8.
Argon is a gas element. atomic number of it is 18.
Chlorine is a none metal element. atomic number of it is 17.
The element that has an atomic number of 36 is Krypton, a noble gas in period 4.
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
The element with the atomic number 10 is Neon (Ne). It is a Noble gas and is in Group VII B of the periodic table. And in period 2.
noble gases atomic number 2 chemical symbol He
Argon is a gas. atomic number of it is 18.
Helium is a gas element. atomic number of it is 2.
Argon, one of the noble gases.Argon - which is a noble gas, has atomic number 18.Argon - which is a noble gas, has atomic number 18.
Krypton is the elemnt present in group 18 aand period 4 with atomic number 36 and it is noble gas.
Fluorine is a halogen gas. 9 is the atomic number.
Helium is a gas element. atomic number of it is 2.
Oxygen is a gas element. atomic number of it is 8.
Hydrogen is a gas element. atomic number of it is 1.