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What is the atomic number of Ar?
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
What elements are out of order in terms of the atomic mass?
In the periodic table, elements are generally arranged by increasing atomic number, but some are out of order based on atomic mass due to isotopes and electron configurations. Notably, elements like potassium (K) and argon (Ar) are examples where potassium (atomic mass ~39.1) appears before argon (atomic mass ~39.9), even though argon has a higher atomic mass. This occurs because the periodic table prioritizes the atomic number (number of protons) over atomic mass when ordering elements. Other examples include isotopes and the placement of certain transition metals.
What is the 18 element in the periodic table?
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
Which notations is the correct noble gas configuration for Co?
The noble gas configuration for Cobalt (Co) is [Ar] 3d7 4s2.
What is the abbreviated electron configuration for nickel atomic number 28?
[Ar] 3d^8 4s^2
What is the atomic symbol of argon?
The atomic symbol of argon is Ar.
What is the atomic number of Ar?
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
What is the formula of argon?
Argon Ar Atomic No 18 Atomic weight 39.948
What is argons atomic symbol?
Ar
What elements has the smallest atomic size K Ca Na Ar or Kr?
The element with the smallest atomic size is Argon (Ar) as it has the highest atomic number among the options given. Atomic size generally decreases from left to right across a period in the periodic table.
What are the three pairs of elements that are out of order in the periodic table in terms of their atomic masses. Why it is necessary to invert their order in the table?
The three pairs of elements that are out of order in terms of their atomic masses are iodine and tellurium, cobalt and nickel, and uranium and neptunium. It is necessary to invert their order in the table to maintain the order of increasing atomic masses within each group or period, ensuring that elements with consecutive atomic numbers also have consecutive atomic masses.
What is the atomic of arogon?
Argon is a non metal element. Atomic Mass of it is 40.
What chemical element has the atomic number 18?
Argon (Ar)
What is the Abbreviation for argon?
The abbreviation for argon is Ar. The name argon comes from the Greek word argos. It's atomic number is 18 and its atomic weight is 39.948
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 correct configuration for vanadium?
[Ar]3d34s2
What are the AR answer to?
the correct aftermath to the situation/question is what the answer is.
