3rd nine weeks VLI
Quiz by Christopher Taylor
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11 questions
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- Q1Which 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
- Q2Which information could a student determine from only the chemical formula of a substance.The color of the substanceThe number of atoms of each element in the substanceThe arrangement of atoms in the structure of the substanceThe number of molecules that make up the substance30s
- Q3All of the following reactions are not correctly balanced exceptNaHCO3 Na2CO3 + H2O + CO22C2H2 + 5O2 4CO2 + 2H2O2CH3OH + 3O2 2CO2 + 4H2O4Fe + 6O2 4FeO330s
- Q4An atom has 35 protons, 40 neutrons and 35 electrons. What is the charge of the atom’s nucleus?-40+40-35+3530s
- Q5Two 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
- Q6An 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?3116153030s
- Q7At a Divergent Plate Boundary a Mid Ocean Ridge can form in the sea and what land form is created under the waterRiverDeltaRift ValleyVolcanoes30s
- Q8When two continental plates collide what type of boundary is it and what is created?Convergent IslandsConvergent, MountainsTransform, EarthquakesDivergent, Rift Valley30s
- Q9The 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
- Q10Based on the weather map, which city will most likely experience increasing temperatures during the next 24 hours?Denver, because it is raining thereAtlanta, because a warm front is approachingMinneapolis, because a cold front is approachingHouston, because it is in a high pressure area30s
- Q11The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed below.BoronSiliconChlorineStrontium30s