3rd nine weeks VLI

Quiz by Christopher Taylor

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11 questions
• Q1
Which of the following best describes an electron?
It has a positive charge and much more mass than a neutron.
It has a negative charge and about the same mass as a neutron.
It has no charge and about the same mass as a proton.
It has a negative charge and much less mass that a proton.
30s
• Q2
Which information could a student determine from only the chemical formula of a substance.
The color of the substance
The number of atoms of each element in the substance
The arrangement of atoms in the structure of the substance
The number of molecules that make up the substance
30s
• Q3
All of the following reactions are not correctly balanced except
NaHCO3  Na2CO3 + H2O + CO2
2C2H2 + 5O2  4CO2 + 2H2O
2CH3OH + 3O2  2CO2 + 4H2O
4Fe + 6O2  4FeO3
30s
• Q4
An atom has 35 protons, 40 neutrons and 35 electrons. What is the charge of the atom’s nucleus?
-40
+40
-35
+35
30s
• Q5
Two cars with different masses travel at the same speed down a hill toward a stop sign. What will happen when both cars apply brakes at the same time to stop?
The car with the smaller mass will require less force to stop than the car with the larger mass.
The car with the larger mass will have less inertia than the car with the smaller mass.
The car with the smaller mass will take longer to stop than the car with the larger mass.
The car with the larger mass will maintain its velocity while traveling down the hill.
30s
• Q6
An atom of a certain element has 15 protons, 15 electrons, and a mass number of 31. At room temperature this element is a very stable gas. How many neutrons are in this atom?
31
16
15
30
30s
• Q7
At a Divergent Plate Boundary a Mid Ocean Ridge can form in the sea and what land form is created under the water
River
Delta
Rift Valley
Volcanoes
30s
• Q8
When two continental plates collide what type of boundary is it and what is created?
Convergent Islands
Convergent, Mountains
Transform, Earthquakes
Divergent, Rift Valley
30s
• Q9
The atoms of a certain element each contain 19 protons and 1 valence electron. Which statement correctly identifies this element and describes its chemical reactivity?
The element is Potassium, and it is highly non-reactive.
The element is sodium, and it is highly reactive.
The element is fluorine, and it is not very reactive.
The element is Potassium, and it is highly reactive.
30s
• Q10
Based on the weather map, which city will most likely experience increasing temperatures during the next 24 hours?
Denver, because it is raining there
Atlanta, because a warm front is approaching
Minneapolis, because a cold front is approaching
Houston, because it is in a high pressure area
30s
• Q11
The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed below.
Boron
Silicon
Chlorine
Strontium
30s

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