Basic Info
Symbols
Families
Which Is Which?
Bonding
100
What is the periodic table?
An organizational system for elements.
100
What is the atomic number?
The number of protons.
100
What are alkali metals?
Very reactive metals that can explode if exposed to water, are good conductors, and not occur freely in nature.
100
What family is in group 1?
Alkali metals.
100
What are the three types of bonds?
Ionic, covalent, and metallic.
200
Who was the first person to put the periodic table together?
Mendeleev
200
What is the atomic mass?
Protons and neutrons added together.
200
What are alkaline earth metals?
Alkaline earth metals are very reactive and not found in free nature.
200
The noble gases are found in which group?
Group 8
200
What type of bond is between metals and non-metals?
An ionic bond.
300
When did Mendeleev put the periodic table together?
In 1869
300
What is the symbol?
The abbreviated name of the element's name.
300
What are non-metals?
Non-metals are not able to conduct electricity or heat and are very brittle.
300
How many valence electrons does group 5 have.
5 valence electrons.
300
What is a covalent bond?
A bond between two non-metals where they share electrons.
400
What is true about all elements in the same period?
The elements have the same number of atomic orbitals.
400
What do the numbers on top of each group stand for?
How many valence electrons each group has.
400
Which elements have a full outer shell and do not form compounds easily?
Nobel gases.
400
On which side of the periodic table are the metals located?
The left side.
400
A bond between two transition metals is a ___?
Metallic bond.
500
What do elements in the same group have in common?
The elements have the same number of valence electrons.
500
What do the numbers on the side of the periods stand for?
How many atomic orbitals that period has.
500
What are halogens?
They are salt-formed and exist in all three states of matter.
500
What is special about metalloids?
They have properties of metals and non-metals. Some are semi-conductors.
500
What do metals and nonmetals do in bonds?
Metals lose electrons while nonmetals gain electrons.
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