Calcium and bromine have formed a bond. leading up to this, calcium gave up electrons. it was a(n)
negative ion
shared ion
positive ion
neutral atom

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6