Is lead a mixture or pure substance? and is Paint a mixture or pure substance?

When combining Magnesium and Oxygen, what is the correct formula and compound name?

What is the net ionic charge of a calcium ion?

If a plane is traveling300 mph how long will it take to travel 1800 miles

What happens to shape of cells when placed in hypertonic salty solutions

Where does the year go in a bar graph

What is the mass number of a carbon isotope that consists of 6 protons 6 electrons and 8 neutrons

Z=3 1s2 express answer as an ion

The Minoan civilization existed on the island of Crete, and it was influential in the Mediterranean during the 2000s BCE. In which way can the Phoenicians be described as successors to the Minoans? A. Phoenicia had a powerful, well-trained army. B.

In a distillation experiment, Provide reasons for any discrepancies between the initial volume of the liquid mixture (20ml) and the sum of the total final volume (18.4ml). Take into account water's property of solvent.

1. Bromine is a A. black solid B. red liquid C. colourless gas D. highly inflammable gas 2. The hardest substance available on earth is A. Gold B. Iron C. Diamond D. Platinum 3.