What state of matter is pictured?
Liquid
How many milligrams are in 1 gram?
1000 mg
Give an example of each a physical property and chemical property
•Odor
•Color
•Volume
•State
•Density
•Boiling point
•Melting point
•oxidation
•Digestion
•Flammable
•Corrosive
•Reacts with acid
What and how many elements make up the following compound: (NaHCO₃)
Na-1
H-1
C-1
O-3
What is the difference between groups and periods?
Groups are columns
Periods are rows
Describe the movement of particles on a solid
Tightly packed together, vibrating in place
How many Gm are in 320,000 meters?
0.00032 m
What is the difference between a chemical and physical property?
Physical does not need a change on the molecular level to occur and chemical does
What is the difference between and a symbol and a formula?
Symbols are for elements, Formulas represent compounds
What is the group number of the halogens?
group 17
What is the phase change going from gas to liquid?
Condensation
How many mL are in .0018 ML?
1,800,000 mL
What is difference between a physical and chemical change
Chemical change result in a new substance formed.
What are differences between a homogenous mixture and heterogenous mixture?
•Homogeneous Mixtures – are the same throughout
•Heterogeneous Mixtures – have different regions
How many protons would Potassium have?
19
What is energy?
•The ability to do work or produce heat
If a lab requires 500 mL of solution and you have a stock of 0.00067 kL.
Yes!
You mix two liquids together and the mixture starts to give off heat, what is this type of change? Bonus for the specific name.
Chemical Reaction and Exothermic
Indicate if the following is an element compound or mixture.
Brass
Titanium
Silver Chloride
Brass- Mixture
Titanium- Element
Silver Chloride- Compound
What period is arsenic in?
Period 4
Explain the change from solid to gas on the particle level.
Solid particles gain so much energy that they skip over the liquid stage and go right to the gas stage
1 kg of plastic = 1200 toys
How many toys can be made with 580,000 cg?
6960 toys
What is the difference between extensive vs intensive properties?
Extensive properties depend on the amount intensive properties
What is chromatography and give one example of a type of chromatography?
•Uses chemicals to separate the pigments of plant or chemicals
•Various Methods
–Gas chromatography
–Liquid chromatography
–Thin-layer chromatography
–Ion-exchange chromatography
Please answer all of the following for chromium:
Group Number
Group NAME
Period Number
Number of Protons
Group Number: 6
Group Name: Transition Metal
Period Number: 4
Number of Protons: 24