Using the periodic table, what is the oxidation number of:

a. calcium

b. aluminum

c. fluoride

A 5.0 gram sample of lead and a 3.2 gram sample of iron are placed into 367 mL of water. What will be the new volume level of water in units of mL?

f 23.2 grams of an aqueous solution of nickel (II) iodide, NiI2, contains 5.47 grams of nickel (II) iodide, what is the percentage by mass of nickel (II) iodide in the solution?

What is the smallest unit of matter that has characteristic properties of its element? atom O molecule ОО O gas compound

Anne adds granulated sugar to water and stirs it until all the sugar dissolves, leaving a sweet, transparent liquid. Under which category should she classify that liquid?

In the Lewis structure of an ozone molecule, we saw that it is made of three oxygen atoms, and the central atom is connected to the other two oxygen atoms with equivalent bonds. It turns out that the ozone molecule has a small dipole moment.

Ammonium perchlorate is a powerful solid rocket fuel, used in the Space Shuttle boosters. It decomposes into nitrogen gas, chlorine gas, oxygen gas and water vapor, releasing a great deal of energy.

Determine the number of bonding electrons and the number of nonbonding electrons in the structure of SeCl2.

The same amount of energy is required to remove each electron sequentially from an atom. A. TrueB. False

Crude oil may contain hundreds of different types of hydrocarbons. Some examples include: Butane (C4H10) Dodecane (C12H26) Octane (C8H18) Benzene (C6H6) Many common fuels, such as gasoline and kerosene, are combinations of these substances or others.

What will happen if the concentration of water inside a cell is higher than the concentration of water outside a cell?