This One
Which properties are characteristic of metalloids?
A. high electrical conductivity and a high melting point
B. low electrical conductivity and a low melting point
C. intermediate conductivity and a high melting point
D. intermediate conductivity and a low melting point
C. intermediate conductivity and high melting point
Which property do metalloids share with nonmetals?
A. both are shiny
B. both are very conductive
C. both are brittle
D. both are very tough
E. both are Rhonda's best friends
C. both are brittle
Which lists only metalloids?
A. arsenic, sulfur, and polonium
or
B. boron, germanium, and tellurium
B. boron, germanium, and tellurium
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If a girl chooses this, the guys get 100 points. If a boy chooses this, the girls get 200 points.
If Christian picks this and gets it right, he gets 500 points. If someone else picks this and gets it wrong, Christian loses 200 points.
Which lists elements in order from most conductive to least conductive?
A. potassium, selenium, germanium
B. selenium, germanium, potassium
C. potassium, germanium, selenium
C. potassium, germanium, selenium
What are the two parts of an atom?
A. nucleus and proton cloud
B. nucleus and electron cloud
C. nucleus and Hannah's cheese pizza
B. nucleus and electron cloud
This is what sodium looks like on the periodic table.
What is Mr. Kameron pointing to?
A. chemical symbol
B. atomic number
C. atomic mass
D. atomic bomb
C. atomic mass
Atom A and Atom B have the same number of protons and neutrons, but they do not have the same number of electrons.
Which statement describes the atoms?
A. The atoms have the same chemical symbol.
B. The atoms have the same charge.
C. The atoms have different atomic numbers.
D. The atoms have different atomic masses.
A. they have the same chemical symbol
Which describes any substance that shatters or breaks easily?
A. volatile
B. ductile
C. malleable
D. brittle
D. brittle
When an atom that has no charge loses two electrons, it becomes a
A. negative ion
B. positive proton
C. positive ion
D. negative neutron
C. positive ion
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If you get this correct, pick someone else to lose 100 points. If you get this wrong, pick someone else to give your points to.
While looking at xenon (Xe) on the periodic table, a student needs to find an element with a smaller atomic mass in the same group. Where should the student look?
A. up
B. down
C. left
D. under your left foot
A. up
Which statement describes the property of a proton?
A. found outside the nucleus
B. is repelled by electrons
C. has a positive charge
D. has a negative charge
C. has a positive charge
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Everyone pick a number between 1 and 9. I will pick a number. Whoever gets the closest gets the most points. Whoever gets the furthest away gets the least points.
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What is the mascot of the high school Mr. Kameron went to?
A. Tigers
B. Bulldogs
C. Goblins
D. Golden Lions
B. Bulldogs
The elements least likely to form bonds are found in which group?
A. 15
B. 16
C. 14
D. 18
D. 18
Who described atoms as small spheres that couldn't be divided into anything smaller?
A. Bohr
B. Thomson
C. Rutherford
D. Dalton
E. Gloria
D. Dalton
Which of these is a molecular ingredient that could be used in a wall-filling material ?
A. C27H36N2O10
B. Na6Ba6
A. C27H36N2O10
Which argument best explains the charge of an atomic nucleus?
A. An atomic nucleus is positively charged because it is composed of neutrons.
B. An atomic nucleus is positively charged because it is composed of protons.
C. An atomic nucleus is negatively charged because it is composed of electrons.
D. An atomic nucleus is negatively charged because it is composed of neutrons.
B. An atomic nucleus is positively charged because it is composed of protons.
What trend does the reactivity of nonmetals show in a periodic table?
A. random changes without any trends on the periodic table
B. changes according to trends on the periodic table
C. increases from left to right across the periodic table
D. decreases from left to right across the periodic table
C. increases from left to right across the table
Scientists in a lab are working with two different samples of the element mercury. They know that the different samples are different isotopes.
Which property of the isotopes must be different?
A. the atomic number
B. the electric charge
C. the element name
D. the mass number
D. the mass number
Which element is most likely to be shiny?
A. sulfur
B. calcium
C. carbon
D. Adelia if she tripped and fell into a bowl of shiny paint
B. calcium
What did Rutherford's model of the atom include that Thomson's model didn't?
A. energy levels
B. energy pizzas
C. nucleus
D. neutrons
E. Caleesa's shoe
C. nucleus
Who is known as the father of modern chemistry?
A. Johann Wolfgang Dobereiner
B. Dmitri Maslov
C. Antoine Lavoisier
D. Taylor Ford
A metallic element has the following properties:
Shiny, Silver colored, Forms +1 and +2 ions, and if it compounds with sulfur it turns bright red.
Where on the periodic table would this element most likely be found?
A. group 11
B. group 13
C. group 12
D. group 10
C. group 12
An atom of the element zinc has an atomic number of 30 and a mass number of 65. How many protons does an uncharged zinc atom have?
A. 35
B. 60
C. 30
D. 90
C. 30
The first model of the atom was developed through
A. scientific experimentation with water vapor and gases
B. observing light emitted by elements when they heat up
C. analyzed effects of magnets on a cathode ray
D. thinking about the smallest particles of matter without experimenting
D. thinking about the smallest particles of matter without experimenting