Atoms
Elements
Definitions
Subatomic Particles
Misc.
100
How many different elements are found in nature.
What is 91.
100
The name of the element with the chemical symbol Cd.
What is cadmium.
100
These have properties that tend to be more predictable based on their position (column) in the periodic table
What is main group elements.
100
The formula to calculate charge of an ion.
What is #protons - # electrons
100
Atoms with the same number of protons, but different numbers of neutrons
What are isotopes.
200
Part I of Dalton's Atomic Theory.
What is that each element is composed of tiny indestructible particles called atoms.
200
A substance that cannot be broken down into smaller parts.
What is an element.
200
Very reactive metals.
What are alkali metals.
200
Positively charged ions.
What are cations.
200
The element whose properties of having 6 neutrons, 6 protons, and 6 electrons helped to determine the definition of atomic mass.
What is carbon.
300
What is part II of Dalton's Atomic Theory.
What is that all atoms of a given element have the same mass and other properties that distinguish them from the atoms of other elements
300
The number of protons in an atom's nucleus represents this.
What is atomic mass.
300
Are chemically inert and found in group 8 of the periodic table.
What are noble gases.
300
Negatively charged ions.
What are anions.
300
The 2 groups between which the transition elements are found on the periodic table.
What is 3-12.
400
What is part III of Dalton's Atomic Theory.
What is that atoms combine in different whole number ratios, to form compounds.
400
A one or two-letter abbreviation for an element.
What is the chemical symbol.
400
Very reactive nonmentals.
What are halogens.
400
The subatomic particles that make up the nucleus.
What are protons and neutrons.
400
The formula for calculating mass number.
What is # protons + # neutrons.
500
Where most of an atoms mass is found.
What is the nucleus.
500
The periodic table is arranged in order of increasing...
What is atomic mass.
500
Display mixed properties of metals and nonmetals.
What are metalloids.
500
The area of the atom in which negatively charged subatomic particles are found (with negligible mass).
What is the electron cloud.
500
The relative amounts of each different isotope in a naturally occurring sample of that element.
What is percent natural abundance.
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