Chemistry Review I

Names & Formulas

100

Na₂SO₄

What is sodium sulfate?

200

H₂CO₃

What is hydrogen carbonate or carbonic acid?

300

The formula for nitric acid.

What is HNO₃?

400

Fe(ClO₄)₃

What is iron (III) perchlorate?

500

NH₄IO₃

What is ammonium iodate?

Periodic Table

100

Columns on the periodic table are called...

What is groups or families?

200

As you go from left to right on the periodic table, electronegativity becomes __________

What is greater?

300

As you go from from left to right across a period of the periodic table, the shielding effect ...

What is remains constant?

400

As you go from left to right across a period of the periodic table atomic radius ...

What is decreases?

500

The period and group (respectively) containing the only metal that is liquid at room temperature

What is period 7, group 12?

Bonding

100

The bond angle for a molecule with a linear shape.

What is 180^oC?

200

The shape of a molecule with three bonds and no unshared electron pairs.

What is trigonal planar?

300

The shape of the water molecule.

What is angular?

400

The sawhorse molecular shape has _____ # of bonds and ____ # of unshared electron pairs.

What is 4 bonds and 1 electron pair?

500

This molecular shape has 6 bonds and 0 non-bonded pairs of electrons.

What is octahedron?

Atomic Structure

100

This element has only one valence electron in the 3s orbital.

What is sodium?

200

Wavelength x Frequency = ___

What is the speed of light?

300

Mass number minus number of protons.

What is number of neutrons?

400

This number multiplied by the frequency equals the energy of a photon.

What is Planck's constant or 6.626 x 10^-34 Js?

500

These are atoms with the same atomic number but different mass numbers.

What are isotopes?

Chemical Reactions

100

When the reaction between Zn + HCl is written and balanced this is the equation.

What is Zn + 2HCl → ZnCl₂ + H₂ ?

200

This must be decomposed to produce mercury and oxygen gas? (give the name or the formula)

What is HgO or mercury (II) oxide?

300

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O is a _____ reaction.

What is combustion?

400

KClO₃ → ______ + _____

What is KCl and O₂?

500

CaCO₃ + 2HCl → ___ + ___ + ___

What is CaCl₂ + CO₂ + H₂O