Which scientist proposed the "Billiard Ball Model"?
John Dalton
Which scientist proposed the "Plum Pudding Model"?
J.J. Thomson
Complete the statement from J. Dalton's theory: "All matter is made of atoms. Atoms are ____ and ____."
indivisible, indestructible
According to J. Dalton: "All atoms of a given element are identical in ____ and ____."
mass, properties
This scientist is credited for the discovery of electrons
J.J Thomson
What was Rutherford's Experiment called?
Gold Foil Experiment
In their experiment, what did Rutherford's team use to fire through the gold foil?
alpha particles
Complete the statement: "The size of the ____ is very small as compared to the size of the atom."
nucleus
Bohr's atomic model is also known as:
Planetary Model
Electrons orbit the nucleus in orbits that have a set size and energy. They are said to be “____"
quantized
What does the term "isotope" mean?
Isotopes of a given element have the same number of protons but different numbers of neutrons in each atom
The number of protons in an atom is also known as the:
atomic number
The number of protons and neutrons in the nucleus of the atom is known as the:
mass number
Silver has two isotopes: Ag-107 and Ag-109. Their respective % abundances are 51.8% and 48.2%. Calculate the relative atomic mass of silver. (3 DP)
107.964
Copper has two isotopes: Cu-63 and Cu-65. Their respective % abundances are 69.17% and 30.83%. Calculate the relative atomic mass of silver. (3 DP)
63.617
Neon has three isotopes: Ne-20, Ne-21, and Ne-22. Their respective % abundances are 90.48%, 0.27%, and 9.25%. Calculate the relative atomic mass of Neon. (3 DP)
20.188
