Lab Safety
Acids/Bases
Physical & Chemical Changes
Redox
Covalent Bonding
100
If an accident occurs what should you do?
What is alerting the teacher.
100
HCl
What is hydrochloric acid
100
Roasting a marshmallow
What is a chemical change.
100
Oxidation number of an element
What is zero
100
Do covalent bonds share electrons or transfer electrons?
What is share
200
Eating, drinking, or applying makeup in the lab?
What is contaminating the lab.
200
acids make litmus paper turn into this color.
What is red
200
Mixing vinegar and baking soda
What is carbon dioxide
200
True/False: Potassium (K) would not replace magnesium (Mg)
What is false
200
N2 is?
What is nonpolar
300
Reaction between an acid and base results in the formation of water and this.
What is salt
300
This is a property of acids that "eats away" at metals
What is corrosion
300
What states can the electrolytes be in in an electrolytic cell?
What is molten or aqueous
300
Covalent bonds are made up of
What are nonemetals
400
Jewelry that should be removed.
What is dangling jewelry.
400
Water can act like an acid and a base, depending on the reaction. This is the word that describes this property.
What is amphoteric
400
Ability to be drawn into thin threads
What is ductility
400
The reaction that occurs in the voltaic cell is what?
What is spontaneous
400
How many electrons are represented with the '-' symbol when writing the structural formula?
What is 2
500
Placing something heavy in a cylinder graduate.
What is tilting the cylinder so the object slides slowly to the bottom.
500
Reaction gives off hydroxide ions.
What is the presence of a base
500
Density
What is a physical property
500
In 2KI + Br*2* -> 2KBr + I*2* this is the oxidizing agent. (*n* means that n is a subscript)
What is Bromide
500
A bond with three lines together in the structural formula?
What is a triple covalent bond.
M
e
n
u