Before we start, make sure each group has a calculator, periodic

table, and a white boardNo notes though

Choose Your CategoryHistory Atoms and the

Periodic TableAtomic Parts

Isotopes Laws Radiation

100 100 100 100 100 100

200 200 200 200 200 200

300 300 300 300 300 300

400 400 400 400 400 400

500 500 500 500 500 500

The Final Question

History - 100

• I proposed this as the model of the atom.

Back

The Answer is JJ Thomson

History - 200

• I was known as the “Father of Modern Chemistry”.

Back

The Answer is Lavoisier

History - 300

• I discovered the neutron.

Back

The Answer is James Chadwick.

History - 400

• I used the oil drop experiment to determine the charge/mass of an electron.

Back

The Answer is Millikan.

History - 500

• I gave us the Law of the Conservation of Mass.

Back

The Answer is Lavoisier.

Atoms and the Periodic Table - 100

• This element has an atomic mass of 1.01?

Back

The Answer is Hydrogen

Atoms and the Periodic Table - 200

• This element has 12 protons in its nucleus?

Back

The Answer is Magnesium.

Double Jeopardy

Atoms and the Periodic Table - 300

• Write the nuclear symbol of the element with 24 protons and 28 neutrons.

Back24

52Cr•The Answer is

Atoms and the Periodic Table - 400

• What is the mass of an element with 25 protons, 25 electrons, and 30 neutrons?

Back

The Answer is 55.

Atoms and the Periodic Table - 500

Back•The Answer is 34, 34, 46

Isotope Number of Protons

Number of Electrons

Number of Neutrons

Selenium - 80

Complete the chart:

Atomic Parts - 100

• I am the center of an atom.

Back

The Answer is the nucleus.

Atomic Parts - 200

• When I change, the element changes?

Back

The Answer is the proton.

Atomic Parts - 300

• When I am lost, an ion is created.

Back

The Answer is the electron.

Atomic Parts - 400

• I change the atomic mass, but not the atomic number.

Back

The Answer is the neutron.

Random Points

200

Atomic Parts - 500

• What subatomic particles have a mass that impacts the mass of the atom?

Back

The Answer is protons and neutrons.

Isotopes - 100

• What do isotopes of the same element differ in?

Back

The Answer is neutrons.

Double Jeopardy

Isotopes - 200

• Calculate the average atomic mass for carbon if its abundance in nature is 79.3% carbon-12, 13.3% carbon-13, and 7.4% carbon-14.

Back

The Answer is 12.3 g/mol

Isotopes - 300

• One isotope of aluminum is aluminum-27. The 27 refers to the ______________ (two words).

Back

The Answer is mass number.

Isotopes - 400

• The ____________________ of an isotope is the time required for half the nuclei in a sample of the isotope to undergo radioactive decay.

Back

The Answer is half-life

Double Jeopardy

Isotopes - 500

• What is the half-life of an isotope if 150 g of a 600 g sample of the isotope remains after 2.0 years?

Back

•The Answer is 1.0 years.

Laws - 100

• The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes.

Back

The Answer is Law of Conservation of Mass

Laws - 200

• The law that states that a chemical compound always contains the same elements in exactly the same proportions by weight or mass.

Back

The Answer is Law of Definite Proportions

Laws - 300

• During a chemical reaction, a group combines 5.00 grams of sodium and 7.72 grams of chlorine. The result of the reaction was 12.72 grams of sodium chloride. Which law does this support?

Back

The Answer is Law of Conservation of Mass

Laws - 400

• The law that states that when two elements combine to form two or more compounds, the mass of one element that combines with a given mass of the other is in ratio of small whole number.

Back

The Answer is Law of Multiple Proportions

Laws - 500

• Every molecule of octane, an important component is gas, has eight carbon atoms and eighteen hydrogen atoms. Which law does this support?

Back

The Answer is Law of Definite Proportions

Radiation - 100

• We discovered Polonium and Radium?

Back

The Answer is Pierre and Marie Curie

Random Points

400

Radiation - 200

+ 2

This formula shows the

___________________ of matter

e1

0

e1

0

The Answer is annihilationBack

Radiation - 300

• This type of radiation is a fast moving electron?

Back

The Answer is Beta.

Radiation - 400

• Curium-246 combines with carbon-12 to form nobelium-254 and four neutrons. Is this fusion or fission?

Back

The Answer is fusion

Double Jeopardy

Radiation - 500

• Fill in the blank, identify the radioactive particle, and tell whether that particle was emitted or captured.

eAt1

0_____

85

222

Back

The Answer is beta emissionRn86

222

The Final Question

• The final question has to deal with:

»Percent Composition

Make your wager and hand it to the teacher

Average Mass

• Carbon, hydrogen, and oxygen combine to make C2H6O2. What percent by mass do you have of each element?

And the Answer is:

• C = 38.7%

• H = 9.7%

• O = 51.6%