
Week 2 Tuesday Assessment
Quiz by Kari Stone
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12 questions
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- Q1Which subatomic particle has the smallest mass?ElectronNucleusProtonNeutron30s
- Q2Who discovered the electron?Niels BohrIsaac NewtonJ. ThomsonAlbert Einstein30s
- Q3What is the charge of a neutron?PositiveZeroNeutralNegative30s
- Q4Who discovered the nucleus?Ernest RutherfordAlbert EinsteinMarie CurieNiels Bohr30s
- Q5Which of the following statements best describes isotopes?Isotopes are variations of an element that have a different number of protons and electrons.Isotopes are variations of an element that have the same number of protons but a different number of neutrons.Isotopes are variations of an element that have a different number of protons and neutrons.Isotopes are variations of an element that have a different number of neutrons and electrons.30s
- Q6What is the difference between an element and an isotope?An element represents a specific type of atom, while an isotope refers to different versions of the same element with varying numbers of neutrons.An element refers to different types of atoms, while an isotope represents different types of elements.An element refers to different versions of the same atom with varying numbers of protons, while an isotope represents a specific type of atom.An element represents a specific type of atom, while an isotope refers to different versions of the same element with varying numbers of electrons.30s
- Q7What is the difference between an atomic number and an atomic mass?The atomic number represents the number of electrons in an atom, while the atomic mass represents the sum of protons and electrons.The atomic number represents the number of neutrons in an atom, while the atomic mass represents the sum of protons and electrons.The atomic number represents the number of protons in an atom, while the atomic mass represents the sum of protons and neutrons.The atomic number represents the sum of protons and neutrons in an atom, while the atomic mass represents the number of protons.30s
- Q8How many significant figures are in this: 1.0230435230s
- Q9Divide 1E-10 by 1E-101E20101E-2030s
- Q10Which subatomic particle determines the identity of an element?ElectronProtonPositronNeutron30s
- Q11Which ion has a greater number of electrons than protons?Positive ionNeutral atomIsotopeNegative ion30s
- Q12Carbon with 7 electrons is+1-1+2-230s