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Models of the atom
The atom
Vocabulary
Periodic table
Other
100
Name the models of the atom in order from oldest to newest.
What is Dalton, Thompson, Rutherford, Bohr, Electron Cloud
100
How do you calculate the number of neutrons?
What is mass-atomic number= # of neutrons
100
The lightest particle inside an atom, it rotates around the core of the atom.
What is electron.
100
What is the name for the vertical and horizontal portions of the periodic table?
What is group, period.
100
What does the # at the top of each box on the periodic table represent?
What is the atomic # (# of protons)
200
Which model of the atom is based on the probability of finding an electron close to the nucleus.
What is the electron cloud model.
200
What particle determines what element you have?
What is the proton.
200
An atom with the same # of protons and different # of neutrons.
What is an isotope.
200
What type of element is the majority of the periodic table?
What is metals.
200
Which element is a nonmetal: H, Na, Li, Fe?
What is H (Hydrogen).
300
Name the 2 things Rutherford discovered about the atom after his gold foil experiment.
What is mostly empty space, and a positively charged nucleus.
300
find the number of protons, neutrons, electrons, mass #, atomic # and symbol for zinc.
What is P=30, N=35, E= 30, mass #= 65, atomic #= 30 Symbol=Zn
300
1/12 the mass of a carbon atom.
What is atomic mass unit (amu)
300
What is another name for group B?
What is transitional metals
300
What is the formula for calculating average atomic mass?
What is (fraction of isotope x mass of isotope) + (fraction of isotope x mass of isotope)= average atomic mass
400
Which model is the one with a ball of positive charge and negatively charged particles spread throughout.
What is JJ Thompsen.
400
Describe how you would make a positive ion and a negative ion.
What is positive ion= more protons than electrons; negative ion= more electrons than protons.
400
What type of element conducts both heat and electricity well, is ductile and lustrous.
What is a metal.
400
What is group 1A, 2A, 7A, and 8A called?
What is Alkali metals, Alkaline earth metals, halogens, noble gases.
400
Particle inside that retains a positive charge.
What is proton
500
Draw the models of the atom in order from oldest to newest.
What is varies.
500
Find the # of Protons, Neutrons, Electrons, mass #, atomic #, and symbol of Chlorine-35.
What is P= 17, N= 18, E= 17, Mass #= 35, atomic #= 17, Symbol= Cl
500
Where all the mass is stored in an atom.
What is the nucleus.
500
What is the group called that sits at the very bottom of the periodic table?
What is inner transitional metals.
500
Calculate the average atomic mass of chlorine: Isotope # 1: 35.45 amu & 80%. Isotope # 2: 36.23 amu & 20%
What is 35.606 amu.