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Atomic Structure Quiz Review
Quiz by Tracy Buckley [Johnson JHS]
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15 questions
Show answers
- Q1What does the Law of Conservation of Mass state?matter cannot be created but it can be destroyedmatter cannot be created or destroyedmatter can be createdthe particles are not charged30s
- Q2What is the center part of the atom called?protonselectronsnucleusorbit30s
- Q3What particle is found outside the nucleus?protonsquarkselectronsneutrons30s
- Q4What 2 sub-atomic particles are found inside the nucleus?protons and neutronselectrons and neutonsprotons onlyelectrons and protons30s
- Q5Which best describes a proton?positive charge, found in the nucleus, has a mass of 1 amupositive charge, found in orbit, has a mass of 1 amupositive charge, found in orbit and has no masspositive charge, found in the nucleus, has no mass30s
- Q6What force holds the atom together?gravitynuclear fusion of the neutronsthe positive charge of the nucleus and negative charge of the orbitsit is unknown30s
- Q7A substance made of one kind of atom is called.....a chemicala moleculea compoundan element30s
- Q8How are the elements arranged on the periodic table?number of neutronsatomic properties (# of protons)the reactivenessdate they were discoverd30s
- Q9In a chemical symbol, how is the first letter and second letter writtenthey are both capitalizedfirst is capitalized, second is lowercasethey are both lowercaseit doesn't matter30s
- Q10How many protons does Oxygen have?18715.99930s
- Q11What is the atomic mas of Oxygen?15.99918730s
- Q12What two things make up the atomic mass of an atom?protons + neutronsprotons + neutrons + electronsneutrons + electronsprotons + electrons30s
- Q13If an element has 7 protons and 7 neutrons and 7 electrons, what is the mass?749211430s
- Q14If an element has a different number of neutrons and protons, it can become unstable (isotope) and would be considered.....stableionizedtoo heavyradioactve30s
- Q15What happens when a proton is added to an atom?it becomes a new atom but everything else stays the sameit becomes a new atom with a new mass and new propertiesnothingthe mass changes but the atom stays the same30s