SC.8.P.8.7-Explore the scientific theory of atoms (also known as atomic theory) by recognizing that atoms are the smallest unit of an element and are composed of sub-atomic particles (electrons surrounding a nucleus containing protons and neutrons).
Quiz by Romano, Ellen
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10 questions
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- Q1What particles are found in the nucleus of an atom?electrons and photonsprotons and neutronsquarks and leptonsneutrons and electrons30s
- Q2Which of the following best describes an atom?The smallest unit of an element that retains its propertiesA large particle made of cellsA substance that can be seen with the naked eyeA type of molecule made of several elements30s
- Q3What negatively charged particle orbits the nucleus of an atom?electronprotonneutronpositron30s
- Q4What is the relative charge of a proton?zeropositivenegativeneutral30s
- Q5Which statement accurately describes neutrons?Neutrons are the same as electronsNeutrons have no electrical chargeNeutrons are positively chargedNeutrons are found outside the nucleus30s
- Q6What does the atomic number of an element represent?The number of protons in the nucleusThe mass of the atomThe total number of neutronsThe number of electrons in an atom30s
- Q7Which of the following best describes the arrangement of electrons in an atom?Electrons are fixed in place within the nucleusElectrons are found randomly throughout the nucleusElectrons occupy energy levels or shells around the nucleusElectrons are clustered only at the center of the atom30s
- Q8How do isotopes of an element differ from each other?They have different chargesThey are found in different states of matterThey have different numbers of protonsThey have different numbers of neutrons30s
- Q9What happens when an atom gains or loses an electron?It transforms into a different elementIt becomes a moleculeIt changes its atomic numberIt becomes an ion30s
- Q10Which subatomic particle is responsible for the chemical properties of an element?nucleusneutronprotonelectron30s