Atoms are made up of what subatomic particles and give their charge
What is
protons positive
Neutrons neutral
electrons negative
100
What holds compounds together?
What is chemical bonds
200
How many significant figures does 0.00355 g have?
What is 5
200
Which of the following is a compound
Na
I
Cl
H2O
What is H2O
200
Boiling points and freezing points are what kind of properties?
What is Physical Property
200
Who organized the earliest form of the periodic table.
What is Dimitri Medndeleev
200
WHat is the chemical formula of Calcium Fluoride
What is CaF2
300
What is 300,000,000 m/s in scientific notation.
What is 3.0x 10^8 m/s
300
If you add water and oil together and shake you will form what type of mixture?
What is heterogeneous mixture
300
Name one of the 3 main points of the Kinetic theory
What is
ALl matter is made of atoms and molecules
or
particles are always in motion
or
heavier particles move slower than lighter particles at the same temperature
300
What is the lightest element on the periodic table
What is Hydrogen
300
What are the 5 types of bonds discussed in class in order from weakest to greatest bond strentgh
What is
van der Waals forces
Hydrogen bonds
metallic/Covalent bonds
Ionic bonds
400
During a storm, a student measures rainwater depth every 15 min. The water's depth is what type of variable.
responding variable
manipulated variable
controlled variable
What is responding variable.
400
What is the formula for density
What is D=Mass/ Volume
400
Name the 6 phase changes
What is Sublimation, deposition, melting, freezing, condensation, evaporation
400
If an atom has a mass of 11 amu and contains five electrons its atomic number must be ?
What is 5
400
Name the following covalent compound
P2S5
What is diphosphorus pentasulfide
500
What are the steps of the scientific method(six steps)
What is Observation, Question, Hypothesis, Experiment, Conclusion, Theory
500
WHat is the density of a piece of metal that have a volume of 8cm^3 and a mass of 64g NO CALCULATOR must have units!
What is 8 g/cm^3
500
Mathematically pascal's principle is stated as what?
What is Pressure1 =Pressure2
500
Name the 10 families on the periodic table.
What is
1. Hydrogen
2. Alkaline Metals
3. Alkali Earth Metals
4.Transition Metals
5.Boron Family
6. Carbon Family
7.Nitrogen Family
8.Oxygen Family
9. Halogens
10.Noble Gases
500
Name 5 of the 7 Polyatomic Ions you must learn with their charges.
What is
C2H3O2 -
CN -
OH -
NO3 -
CO3 -2
SO4 -2
PO4 -3