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Calcium (Ca) and oxygen (O) combine to form an ionic compound. Which best describes the electron dot formula for this compound

asked Feb 9, 2017

Chemistry
high-school

1 answer

1 vote

121k views

A square piece of fabric has side length 2.2 cm. Find the area of the piece of fabric.

asked Dec 23, 2016

Mathematics
middle-school

1 answer

5 votes

145k views

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