18 represents the atomic number for Argon. It is the number of protons and of electrons in an argon atom and defines its position in the Periodic Table.
18
The given Roman numerals represent 2000 and 18 respectively
The number 18 can represent various concepts depending on the context. In numerology, it is often associated with material success and self-confidence. In some cultures, particularly in Jewish tradition, 18 is significant as it corresponds to the word "chai," meaning "life," symbolizing good luck and prosperity. Additionally, in sports, the number 18 may hold meaning as a jersey number worn by notable athletes.
Nine is HCF of 18 and 27
You represent a repeating number by putting a dash on top of the number. For example 56.1066666 you represent it by putting a dash on top of the 6
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
Argon (Ar)
The element with atomic number 18 is Argon. It is a noble gas with the symbol Ar.
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
Atomic number 18: argon (Ar)
18 protons and 18 neutrons
Argon Ar Atomic No 18 Atomic weight 39.948
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.
18
The chemical symbol for Argon is Ar. It is a noble gas with atomic number 18.
Argon has three naturally occurring isotopes: ^{36}{18}Ar, ^{38}{18}Ar, and ^{40}_{18}Ar.
Argon is an element. Symbol: Ar Atomic Number: 18 Family: Noble Gases Val Electrons: 8