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Damm [24]
3 years ago
10

Which of the following would form an anion? (2 points) Al O Ar K

Chemistry
1 answer:
gavmur [86]3 years ago
7 0
O or Oxygen because it needs electrons to be stable causing it to be an anion with a 2- charge to have a complete shell while Aluminum would be an cation with a 3+ charge, Potassium or K with a 1+ charge, and Argon wouldn’t be an anion because it is a noble gas and is already stable and don’t need electrons due to a full shell.
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How many moles of tin atoms are in a pure tin cup with a mass of 37.6 g ?
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Tin is an element called Stannum and has the symbol Sn. Molar mass is the mass of 1 mol of a compound, 1 mol of any substance is made of 6.022 x 10²³ units, these units could be atoms making up an element or molecules making up a compound. 
While the number of atoms making up 1 mol is the same for any element, the weight of 1 mol of substance varies from one another.
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According to the illustration, the vanadium (V) oxide would be a catalyst.

<h3>What are catalysts?</h3>

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