Periodic Table
Element Types
Ions
Ion Compounds
Previous Units
100
Category is the last column in the periodic table group 8A?
noble gases
100
These are the best conductors of heat and electricity, lustrous, malleable, and ductile
metals
100
Positively charged ions
cations
100
Name this compound NaCl
sodium cloride
100
Describe matter
"stuff" that makes up the universe or takes up space and has mass
200
Which group are the halogens in?
Group 7A
200
These elements are nonreactive.
Noble gases
200
Negatively charged ions
anions
200
Write the compound formula for K+ and Cl-.
KCl
200
Describe a homogeneous mixture.
Evenly distributed mixture
300
What group corresponds to the alkali metals?
Group 1A
300
These elements come either as a gas or a brittle solid.
nonmetals
300
If an atom loses 4 electrons what charge will it have? (include #)
4+
300
What is the name for an ion made of calcium and oxygen atoms?
clacium oxide
300
Describe a heterogeneous mixture
Mixture that is unevenly distributed substances.
400
The second column in the periodic table is what type of elements?
alkaline earth metals
400
These stair step elements are good conductors, but not as conducive to electricity as metals.
metalloids or semimetals
400
What is the normal charge of chlorine (Cl)?
1-
400
What is the compound formula for an ionic compound made of Calcium (2+ charge) and Nitrogen (3- charge)?
Ca3N2
400
Write the isotope symbol for oxygen with a mass number of 20.
20 O 8
500
What period is Rhenium in?
6
500
These elements tarnish easily, are relatively soft metals, and have a high melting point.
Lanthanides
500
What is the normal charge of aluminum (Al)?
3+
500
What is the compound formula of an ion made of Be and O ions?
BeO
500
Describe ALL the sign of a chemical reaction (that we learned)
Evolution of a gas formation of a solid change of color heat exchange
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