Exam 2: Atoms, Molecules, and Ions

Predict the formula for the binary compound formed between aluminum and fluorine.

Write the formula for the acid formed from the nitrite anion, and then name the acid.

Use the following to answer questions -Use the periodic table above to show where the noble gases are located.

Give the formula for nickel(II)sulfate.

Name the following ternary compound: Al(NO₃)₃.

Which of the following elements is chemically similar to oxygen?

Give the formula for potassium oxide.

Define ion.

How many protons are there in one atom of magnesium?

Which one of the following is an ion?

The formula for calcium phosphate is

Name the following compound: Mg(NO₃)₂.

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of gadolinium? How many electrons, protons, and neutrons are there?

The straight chain hydrocarbon that contains six carbon atoms is

Define the term molecule.

Which of the following elements is most likely to be a good conductor of electricity?

Using a cathode ray tube, J.J.Thomson determined the magnitude of the electric charge on the electron.

Name the binary compound formed between barium and phosphorus.

What is the formula for the ionic compound formed by calcium and selenium?

Describe the contributions of Marie Curie.