8. How many electrons are in the outermost

shell of a sulphur (S) atom?

A. 1

B. 2

C. 6

D. 7

Which types of shirts are not allowed in the lab

A sample of propane, C3H8, contains 10.6 moles of carbon atoms. How many total moles of atoms does the sample contain?

Solutions and colloids are similar in that both are suspensions true or false?

Which analogy can best be likened to the activation energy of a chemical reaction? a drain through which water flows a slide down which a child descends a hill over which a wagon is pushed an alley down which a bowling ball is rolled?

How many molecules are in 525g of aluminum oxide

How many ml of 2.50 m hno3 are needed to prepare a 75.0 ml of 1.00 m hno3?

The charge of the stable ion of P

A change in the properties of matter where chemical bonds are broken and new bonds are formed is a.) a chemical change b.) a physical change c.) an ionic change d.) a covalent change

Write a chemical equation for the chemical reaction in which calcium carbonate (CaCO3) produces calcium oxide (Cao) and carbon dioxide (CO2).

How do you know the difference between a compound and mixture?