Which element would most likely have chemical properties similar to that of magnesium (Mg) ?

4 Lef's say you find a fossil in a layer of shale. How might you determine the age of the shale?

Which compounds contains primarily carbon and hydrogen atoms linked together by nonpolar covalent bonds

If m represents an element in group 2 the formula of its chloride would be

What causes interstellar dust and clouds of gas to condense into planets and stars?

A student finds a container of gases in the laboratory classroom with a total pressure reading of 655 mmHg. The label on the container describes the contents as 5.00 g of carbon dioxide gas and 3.75 g of helium gas.

Oblicz masę azotu w pustym pomieszczeniu o wymiarach podanych na ilustracji gęstość azotu w temperaturze pokojowej wynosi 1,15kg m3 3m, 2,5m, 4m

What is the molarity of a solution that contains 0.400 mol HCl in 9.79 l solution? A. 0.0133 M B. 0.0409 M C. 0.959 M D. 5.67 M

What is the voltage of a galvanic cell made with magnesium and gold

What are the two measurement systems the thermometer uses? Which one is most commonly used for science? Why?

Which term represents the sum of the atomic masses of the atom in a molecule?