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What is the 18 element in the periodic table?
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
What is the closest noble gas to calcium?
argon (atomic number 18) is the closest to calcium (atomic number 20)
What is the group and period number of helium?
noble gases atomic number 2 chemical symbol He
What group name and number is the element xenon found in?
group name is noble gases. group number is 18.
What belongs in group 18 and period 4?
Krypton is the elemnt present in group 18 aand period 4 with atomic number 36 and it is noble gas.
What is the number of protons in Argon gas?
The same as its atomic number (18)
Atomic number for argon?
Argon is a gas. atomic number of it is 18.
What is the element argon atomic number?
Argon is a gas element. atomic number of it is 18.
What is the element with an atomic number 18?
The element with atomic number 18 is Argon. It is a noble gas with the symbol Ar.
What is the atomic number of argon?
The atomic number of argon is 18. It is a noble gas with the symbol Ar and is found in group 18 of the periodic table.
Is argon the nearest noble gas to calcium?
Yes it is. Argon (atomic number 18) is the noble gas that is nearest to calcium (atomic number 20)
What is the formula of argon gas?
Argon is an element. Symbol: Ar Atomic Number: 18 Family: Noble Gases Val Electrons: 8
What noble gas is closet to calcium?
Argon is closest, as Calcium is number 20, and Argon is number 18.
What is the 18 element in the periodic table?
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
What is the total number of electrons in an atom of an element with an atomic number of 18 and a mass number of 40?
ARGON has 18 electrons, with an atomic number of 18 and an Atomic Mass of 40. It has 22 neutrons, is considered a Nobel gas, in that it is inert under most conditions, and is colorless.
What is the total number of electrons in atom of an element with an atomic number of 18 and a mass number of 40?
ARGON has 18 electrons, with an atomic number of 18 and an Atomic Mass of 40. It has 22 neutrons, is considered a Nobel gas, in that it is inert under most conditions, and is colorless.
What is the closest noble gas to calcium?
argon (atomic number 18) is the closest to calcium (atomic number 20)
