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The atomic number is equal to
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
How many atoms of Lithium are in 9.20 g?
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
How many particles are in 3.0 mol of aluminum?
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
Ca-40 makes up 96.941% with a mass of 39.96259 amu. Assume that there is only 1 other isotope; Ca-42 that makes up the remainder of the % and has a mass of 41.959. Calculate the atomic mass of the element Calcium (this may not match periodictable)
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
Who discovered the nucleus?
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
How did Rutherford conclude that there was a dense, positively charged nucleus?
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
Who said that electrons orbit around the nucleus in circular patterns?
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
How do you solve for % abundance when given 2 isotopes?
JJ Thomson
40.25 amu
some of the alpha particles bounced back, but most went through
Bohr
1.806x10^24
number of protons
7.98x10^23
set 1 variable to 1-x and the other to x, then solve algebraically
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