old school notes
1) What is Brownian motion? motion of randomness for no reason 2) What did Brownian motion prove? existence of atoms 3) What does the atomic number tell you? number of protons 4) What do neutrons do? i don't know they don't talk to me 5) What are isotopes and how are they related to an element's mass number? they make a odd number but still the same element 6) What does the mass number tell you? weigh and number of neutrons 7) Who is given credit for the discovery of the proton and neutron? James Chadwick 8) How are atomic masses on the periodic table calculated? math and studying 9) Who do chemists write an isotope? neutron number 10) What is the difference between anions and cations? atoms with negative charge 11) Write in the charges given for the group numbers at the top of your periodic table. 12) How are ions written? 13) What subatomic particle gives the atom its identity? neutron electron proton
- Published April 02, 2020, 05:36
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