Michigan State University

MCOLES State Licensing Exam Prep Actual Tests Guide

MSU BIO 100 Exam 1 Questions With All Correct Answers

Why are alpha particles deflected by the nucleus? - Answer Because both the alpha particles and the nucleus are positively charged and so the alpha particle is repelled. Is this statement (Dalton's Theory) true or false and why? "All atoms of an element are identical and have the same mass and properties." - Answer False. Atoms of the same element can have different numbers of neutrons. What is the evidence that electrons are subatomic particles? - Answer The nature of ...

Describe the relationship between the frequency, wavelength, and velocity (speed) of a wave. - Answer Wavelength and Frequency are related by the speed of light, which is a constant. Draw and compare two waves of different frequency, wavelength, or amplitude. - Answer Long Wavelength = Low Frequency Short Wavelength = High Frequency Calculate any one (frequency, wavelength, or velocity) given the other two. Use appropriate units. - Answer c= Wavelength*Frequency Rank electroma...

Ionization Energy - Answer energy required to remove an electron from an atom in the gas phase Left Side Electrons - Answer have weaker attractions to remove electrons *easier to remove electrons from the left side of the table than the right side* Does it take MORE or LESS energy to remove an electron from Li than from Na? - Answer MORE Why? Because as we move down a group, the orbitals become larger and weaker. While going across the effective nuclear charge increases. (holds...

mole - Answer 6.022 x 10^23 things number of particles that allows us to convert from the molecular to the macroscopic level limiting reactant/reagent - Answer amount of one of the reactants which limits how much product can be formed. smallest amount. percent yield - Answer actual/theoretical x 100 electromagnetic radiation - Answer wavelength - Answer The distance between two corresponding parts of a wave. seconds/wave. 1/frequency. measured in m amplitude - Ans...

A Scientific Model - Answer Can be a drawing or a graph or a diagram or an equation, physical or mental. Claim - Answer The target of your explanation. Evidence - Answer The data or scientific principle you are using to support your claim. Reasoning - Answer The connection between your claim and evidence. Law - Answer Describes the phenomenon. (Tells you what) Theory - Answer Explains the phenomenon. (Tells you why) Dalton's Atomic Theory - Answer 1. Ele...

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