8A Trimester Study Guide
Quiz by Lauren Stafford
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16 questions
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- Q1Does a polyatomic ion have more than one ion?YesNoYes30s
- Q2An isotope is identified by...mass symbolmass number30s
- Q3Who suggested that electrons move only in a specific orbits?ThomsonBohrRutherford30s
- Q4Who discovered electrons?ThomsonDaltonBohrRutherford30s
- Q5What is a theory?Its been provenIts a lawNot yet proven30s
- Q6Who used a gold foil in his experiment and was proven wrong?ThomsonRutherfordDalton30s
- Q7What is the number of protons in the nucleus of an atom?mass numberatomic massAtomic number30s
- Q8This has no electric chargeProtonNeutronElectron30s
- Q9Who discovered the periodic table?MendeleevRutherford30s
- Q10Who was the Greek philosopher who discovered atoms?PlatoAristotleHerculesDemocritus30s
- Q11These electrons have the highest energyorbitvalence30s
- Q12This makes electric currents under some conditions but not othersmetalloidssemiconductor30s
- Q13What is a property of an ionic compound?conductivityHigh melting pointslow melting points30s
- Q14Electrons are shared unequallynonpolar bondpolar bond30s
- Q15Which mixture can be easily seen and sorted?Homogeneous mixtureHeterogeneous mixture30s