The Atom
Ions and Isotopes and Charges
Scientific Method
The Bohr Model
Wild Card
100
All matter is composed of what?
What are atoms
100
Which subatomic particle can always be used to identify atoms of a particular element?
What is the proton
100
In an experiment, it is the factor that the scientist controls and changes.
What is the independent variable
100
Which electrons are included in the bohr model?
What is all electrons
100
What are the two components of an electron dot diagram?
What are the element symbol and its valence electrons
200
What are the three subatomic particles and their charges?
What are protons (positive), neutrons (neutral) and electrons (negative)
200
What is the charge of an ion that contains 9 protons and 10 electrons.
What is -1.
200
In an experiment, it is what is used as a standard for comparison. The independent variable is not tested on it.
What is the control
200
True or False: The number of electrons and protons goes into the center of a bohr model.
What is false
200
What are the three groups on the periodic table?
What are metals, metalloids and non-metals
300
What is true of the relative masses of the subatomic particles.
What is neutrons are the largest, electrons are the smallest and protons are slightly smaller than neutrons.
300
What does the octet rule say about an atom’s electron configuration?
What is atoms will gain or lose electrons until they have a complete set of eight electrons in their outer energy level
300
A student determined that shaking a container of sand caused the temperature of the sand to rise. The student then performed a new experiment to see if shaking a container of pebbles would cause the temperature of the pebbles to rise. What is the dependent variable in this experiment?
What is temperature
300
Which element has a bohr model that contains 11 electrons?
What is sodium
300
Which of the following elements has the greatest number of valence electrons? a) Beryllium (Be) b) Calcium (Ca) c) Aluminum (Al) d) Oxygen (O)
What is Oxygen (O)
400
Valence electrons help determine the chemical properties of elements. All elements in group 2 are known as alkaline earth metals and contain two valence electrons. Which of the following is not an alkaline earth metal? a) Beryllium (Be) b) Aluminum (Al) c) Calcium (Ca) d) Magnesium (Mg)
What is b) Aluminum (Al)
400
Which of the following will be an anion? a) A Sodium (Na) atom that has lost one electron. b) A Beryllium (Be) atom that has lost two neutrons. c) An Argon (Ar) atom that has not lost or gained any electrons. d) A Phosphorous (P) atom that has gained three electrons.
What is d) A Phosphorous (P) atom that has gained three electrons.
400
Differentiate between a qualitative and a quantitative observation.
What is quantitative involve numbers, and qualitative involve using your senses.
400
An element has two electrons in its first energy level, eight electrons in its second energy level and seven electrons in its third energy level. How many valence electrons does the atom contain?
What is seven
400
What are the rows and columns on the periodic table called and which is which
What is rows are periods and columns are groups
500
Which pair of elements are the most similar? a) Lithium & Sodium b) Carbon & Nitrogen c) Oxygen & Helium d) Silicon & Sulfur
What is a) Lithium & Sodium
500
According to the octet rule, which group of elements will gain two electrons? a) Group 1 (Hydrogen, Lithium, Sodium, Potassium) b) Group 2 (Beryllium, Magnesium, Calcium) c) Group 16 (Oxygen, Sulfur) d) Group 18 (Helium, Neon, Argon)
What is c) Group 16 (Oxygen, Sulfur)
500
List the 7 steps of the scientific method in the correct order from beginning to end.
What is choose a problem, gather information, develop a hypothesis, write a procedure, test the hypothesis, analyze data, draw conclusions.
500
An element has two electrons in its first energy level, eight electrons in its second energy level and five electrons in its third energy level. Which element is it and how many valence electrons does it contain?
What is phosphorus and five
500
What are the five properties of metals?
What is 1) Luster 2) Ductile 3) Malleable 4) Conductors 5) Solid at room tempurature
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