Before we start, make sure each group has a calculator, periodic table, and a white board No notes though
Atoms and the Periodic Table Choose Your Category History Atoms and the Periodic Table Atomic Parts Isotopes Laws Radiation 100 200 300 400 500 The Final Question
History - 100 I proposed this as the model of the atom. The Answer is JJ Thomson Back
History - 200 I was known as the “Father of Modern Chemistry”. The Answer is Lavoisier Back
History - 300 I discovered the neutron. The Answer is James Chadwick. Back
History - 400 I used the oil drop experiment to determine the charge/mass of an electron. The Answer is Millikan. Back
History - 500 I gave us the Law of the Conservation of Mass. The Answer is Lavoisier. Back
Atoms and the Periodic Table - 100 This element has an atomic mass of 1.01? The Answer is Hydrogen Back
Atoms and the Periodic Table - 200 This element has 12 protons in its nucleus? The Answer is Magnesium. Back
Double Jeopardy
Atoms and the Periodic Table - 300 Write the nuclear symbol of the element with 24 protons and 28 neutrons. The Answer is Cr Back
Atoms and the Periodic Table - 400 What is the mass of an element with 25 protons, 25 electrons, and 30 neutrons? The Answer is 55. Back
Atoms and the Periodic Table - 500 Complete the chart: Isotope Number of Protons Number of Electrons Number of Neutrons Selenium - 80 The Answer is 34, 34, 46 Back
Atomic Parts - 100 I am the center of an atom. The Answer is the nucleus. Back
Atomic Parts - 200 When I change, the element changes? The Answer is the proton. Back
Atomic Parts - 300 When I am lost, an ion is created. The Answer is the electron. Back
Atomic Parts - 400 I change the atomic mass, but not the atomic number. The Answer is the neutron. Back
Random Points 200
Atomic Parts - 500 What subatomic particles have a mass that impacts the mass of the atom? The Answer is protons and neutrons. Back
Isotopes - 100 What do isotopes of the same element differ in? The Answer is neutrons. Back
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. The Answer is 12.3 amu Back
Isotopes - 300 One isotope of aluminum is aluminum-27. The 27 refers to the ______________ (two words). The Answer is mass number. Back
Isotopes - 400 The ____________________ of an isotope is the time required for half the nuclei in a sample of the isotope to undergo radioactive decay. The Answer is half-life Back
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? The Answer is 1.0 year. Back
The Answer is Law of Conservation of Mass Laws - 100 The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes. The Answer is Law of Conservation of Mass Back
The Answer is Law of Definite Proportions Laws - 200 The law that states that a chemical compound always contains the same elements in exactly the same proportions by weight or mass. The Answer is Law of Definite Proportions Back
The Answer is Law of Conservation of Mass 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? The Answer is Law of Conservation of Mass Back
The Answer is Law of Multiple Proportions 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. The Answer is Law of Multiple Proportions Back
The Answer is Law of Definite 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? The Answer is Law of Definite Proportions Back
We discovered Polonium and Radium? Radiation - 100 We discovered Polonium and Radium? The Answer is Pierre and Marie Curie Back
Random Points 400
Radiation - 200 The Answer is annihilation + 2g This formula shows the ___________________ of matter The Answer is annihilation Back
This type of radiation is a fast moving electron? The Answer is Beta. Back
Radiation - 400 Curium-246 combines with carbon-12 to form nobelium-254 and four neutrons. Is this fusion or fission? The Answer is fusion Back
Double Jeopardy
The Answer is beta emission Radiation - 500 Fill in the blank, identify the radioactive particle, and tell whether that particle was emitted or captured. The Answer is beta emission Back
Percent Composition 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%