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Chemistry

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Araceli Harris

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Cards in this guide (8)
Ionic compounds are normally in which physical state at room temperature

Solid

like salt (NaCl) which is an Ionic compound.

What is the formula of the ion formed when potassium achieves noble-gas electron configuration

K+

And the K ion configuration is 1s2 2s2 2p6 3s2 3p6

Noble gases have the configuration up to 3p6

Pseudo noble gases have it up to 3d10

What is anion in the following compound Fe2SO43

Fe2(SO4)3 is Iron (III) Sulfate. The cation is Fe3+ and the anion is SO42-

What is the density at STP of the gas sulfur hexafluoride

SF6

add their masses together and you get 146g

146/ L x 22.4L/1 mol = 3270 g/L

Given 1.00 mole of each what gases at STP which gas would have the greatest volume

1 mole of every gas has a volume 22.414 dm3 at S.T.P.

What is the different between the chemical name and the chemical formula for a compound

the difference is that the formula does not have the same categories as the chemical compound does

What is the polar covalent bond of C-H

The covalent bond between carbon and hydrogen is NON-POLAR.

Which of the following elements has the lowest electronegativity ba ca mg sr

Barium(Ba)

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