Show:
Periodic Table
Atoms and Ions
Models
Ionic Compounds
Covalent Compounds
100
What is the number in the upper left of each element box which stands for the number of protons?
Atomic Number
100
What are the 3 particles that make up an atom?
Protons, Neutrons, Electrons
100
What is the name of the model that shows all electrons and electron shells?
Bohr Model
100
What is a combination of 2 or more atoms called?
Compound
100
What is the difference between the electrons in an ionic compound compared to a covalent compound?
Electrons are Shared, not transfered
200
What is the Decimal number in each element box? It stands for the number of protons plus the number of neutrons.
Atomic Mass
200
What is difference between the number of electrons and protons in an atom of any element?
No difference, they are equal
200
What does a Lewis diagram show?
the number of Valence electrons
200
What happens to electrons in an ionic compound (Hint, from the metal to the non-metal)
They are transferred
200
What is 2 types of elements must combine to create a covalent compound?
Non-metals
300
What is the name given to vertical columns on the periodic table?
Rows or families
300
What is the difference between an atom and ion?
An Ion has either lost or gained electrons, so there will be either more or less electrons than protons.
300
What is the name given to the outermost shell of an atom or ion?
Valence shell
300
What types of elements combine to create an ionic compound?
metal and non-metal
300
What is the chemical formula for Carbon Dioxide?
CO2
400
What is name given to family 17 on the periodic table?
Hallogens
400
What is the ion charge on Nitrogen, will it gain or lose electrons, and how many?
3-, Gain, 3
400
What are atoms trying to achieve when they form ions?
Stable Octet
400
What holds the two atoms together in an ionic compound?
the electrical charges (+ and -) caused by transferring electrons
400
What is the chemical formula for methane?
CH4
500
What is the name of the types of elements starting from the right side of the periodic table to the left side. (Hint, there are 3 names)
Metals, Metalloids, Non-metals
500
What is the name given to elements that have more than 1 ion charge?
Multivalent
500
How many shells and electrons will there be in a Bohr Diagram of an ION of Lithium?
1, 2
500
What is the chemical formula for Calcium fluoride?
CaF2
500
What is the chemical formula for Ammonia?
NH3