Mercury is the only metal that is a liquid at room temperature.
your answer is A.
It is used in thermometer.
Well the width is 0.20 meters. Since there are a hundred centimeters in a meter, we just have to move the decimal point two times to the right to get a 20 centimeter width.
It would be MnSO4
The (II) lets you know it’s the form with a 2+ charge and Sulfate has a 2- charge
These will cancel out making it plain MnSO4
If it was manganese (iii) sulfide the answer would be Mn2(SO4)3
Your answer is C. its level of dissolved minerals ~A
4FeS2 + 11O2-> 2Fe2O3 + 8SO2
Not sure.... I think this is it
