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Ca stands for Calcium, 20 is the atomic number, and 40 is the average Atomic Mass
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Earn +20 ptsQ: What is 40 20Ca?
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How many protons neutrons and electrons are in an atom of 42 20Ca?
This isotope has 20 protons and and electrons and 22 neutrons.
Which element is a constituent of bones and teeth?
Milk
What is -40 F is equal to c?
-40°F = -40°C
What characteristics do atoms of argon-40 potassium-40 and calcium-40 have in common?
Argon-40, potassium-40, and calcium-40 all have 40 protons and electrons in their atoms, but they have different numbers of neutrons. They are all stable isotopes, although potassium-40 is radioactive and undergoes decay to form argon-40.
What are geological isobars?
potassium 40, Argon 40, Calcium 40.
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