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When calcium (ca) bonds with oxygen, it gives up two electrons. what is the charge of the ca ion in this compound?

asked Feb 16, 2018

Chemistry
high-school

2 answers

1 vote

126k views

on Florida the constellation Orion is seen in the night sky during the winter months during the summer Orion can't be seen why is the only visible doing of the year

asked Apr 7, 2016

Social Studies
middle-school

1 answer

5 votes

24.0k views

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