Vocabulary
Protons, Neutrons, and Electrons
Elements
The Periodic Table
The Bohr Model
100
What is the positive particle found within the nucleus?
Proton
100
The number of protons in an element is shown by the...
Atomic Number
100
What is the atomic number of gold?
79
100
The rows across the Periodic Table are called....
Periods
100
The model of an atom where electrons travel in orbitals.
The Bohr Model
200
An atom with the same number of protons and a different number of neutrons from other atoms of the same element is called a what?
Isotope!
200
If Cobalt loses a proton it will become....
Iron
200
How many neutrons does Titanium have?
26
200
Chromium and Manganese are part of this group.
Transition Metals
200
Helium has how many orbitals?
1
300
The time it takes for half of the atoms in sample of a radioactive isotope to decay.
Half-Life
300
This has no charge.
Neutron
300
How many neutrons does Oxygen have?
8
300
What does Carbon-14 decay into?
Nitrogen
300
How many electrons fit on the first orbital?
2
400
These are good conductors of heat and electricity, groups 3-12 on the Periodic Table.
Transition Metals
400
In order to find the neutrons, you must....
Subtract atomic mass from atomic number
400
How many electrons does Platinum have?
78
400
The average mass of all the isotopes of an element.
Atomic Mass
400
How many electrons fit on the third orbital?
18
500
Radioactive DecayThe process of determining the age of an object using the half-life of one or more radioactive isotopes like Carbon-14.
Radioactive Decay
500
Mass number is best described as...
Protons plus neutrons
500
One example of radioactive decay is.....
Carbon-14 decays into nitrogen
500
The are disconnected from the Periodic Table, often man-made
Lanthanides/Actinides
500
How many orbitals Lithium have, and what are the electron counts?
Lithium has two orbitals and three electrons, two electrons in the first orbital and one electron in the second orbital.
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