Atomic Mass, Atomic #, & Mass #
Quiz by Lindsay Norcross
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12 questions
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- Q1The atomic number is the number of protons in an atom and is always...a whole number ratioa decimala whole numbera fraction20s
- Q2The number of protons in a given element will...rapidly changenever changechange oftensometimes change20s
- Q3The ___________ ______________ is the weighted average of all an element's isotopes.atomic massmass numberisotope numberatomic weight20s
- Q4The mass number is always a whole number and is...the number of protons + electronsthe number of isotopesthe number of neutrons + electronsthe number of protons + neutrons20s
- Q5If the mass number of "Candium" is 40, how many neutrons are in a neutral atom of this element?1510302020s
- Q6Isotopes have the same number of protons and are chemically alike but ...have different mass numbershave different atomic numbershave different nameshave different numbers of electrons20s
- Q7What are the two types of ions?dogians & antionsportions & anionscations & dogianscations & anions20s
- Q8A cation is a ion with a ________________ charge.negativeneutralelectricpositive20s
- Q9Which of the following are a cation?So-3S-2Na+2Na-220s
- Q10An anion is an ion that has a _________________ charge.neutralnegativepositiveelectric20s
- Q11Which of the following is not an anion?F-1N-3O+2O-220s
- Q12How many protons are in C-12? C-13? C-14?6, 6, 65, 6, 76, 7, 88, 9, 1020s