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Number of electrons in argon- 40 atom?

Argon-40 atom has 18 electrons.


How many electrons are in argon - 40?

Argon-40 has 18 electrons. This is because argon has an atomic number of 18, which indicates the number of protons (and electrons) in a neutral atom of argon.


How many electrons are in zirconium?

Zirconium is No. 40 in the Periodic Table. The '40' tells us the position of zirconium in the table, the number of protons in an atom , and the number of electrons in a neutrally charged atom. So the answer to you question is '40'.


How many electrons does zirconium?

Zirconium is a metal element. There are 40 electrons in a single atom.


How many protons electrons and neutrons are in a carbon-40 atom?

A carbon-40 atom has 6 protons, 6 electrons, and 34 neutrons.


What is the symbol for the atom that has 40 electrons?

Technically, any atom could have 40 electrons, but it would have a very weird charge. However, Zirconium has 40 electrons without being an ion.


How many protons neutrons and electrons in 40 Ar?

18 protons 18 electrons 22 neutrons


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 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.


If an atom has a mass number of 40 and an atomic number of 20 how many electrons does it have?

There are many isotopes that have a mass number of 40. Calcium 20 has a mass number of 40 but so does potassium 21 and Argon 22. Calcium twenty however is probably the one you want as it is more common then the other isotopes listed.


How many protons are in a neutral atom of Ar-40?

Any atom of Argon (Ar) will have 18 protons regardless of charge or isotope.


How many subatomic particles does an ion of calcium with an atomic number of 20 and an atomic mass of 40 hve?

atom have: 20 protons,20 electrons and20 neutrons ion have: 20 protons 18 electrons( metals lose electrons) and20 neutrons