Laboratory
What lab tool is used to measure liquid volume?
Graduated Cylinder
What is the formula for Density?
d=m/V
What is matter?
Anything that has mass and volume.
Define an Ion
A particle that has gained or lost electrons causing it to be positively or negatively charged.
How is the Periodic Table arranged?
By order of increasing atomic number.
What is the SI unit for the following: mass, volume, temperature
g, L, K
Determine whether the following objects would sink or float in water: Lithium=0.534 g/mL, Concrete=2.3 g/mL, Olive oil=.92 g/mL.
Lithium=float, concrete=sink, olive oil=float
What 2 techniques would you used to separate a mixture of sand and salt?
Filtration and evaporation
Define Isotope
An element with a different number of neutrons
How many energy levels are on the Periodic Table?
7
What 3 ways can a chemical enter your body?
Inhalation, ingestion, absorption
What is the density of an object with a mass of 16.25 g and a volume of 3.75 mL?
4.33 g/mL
Pure Gold, Sugar water, Electricity
Element, homogeneous mixture(solution), not matter
What is the ion charge for group IVA?
+4/-4
What is the name and symbol of the element with 5 electron clouds and 4 valence electrons?
Tin, Sn
Which axis on a graph do the independent and dependent variables always go on?
d=y, i=x
What is the volume of an object with a density of 0.626 g/cm3 and a mass of 13.67 g?
21.84 mL
List all 6 phase changes between solid, liquid and gas.
freezing/melting, condensation/evaporation, sublimation/deposition
How many protons, neutrons and electrons does Bismuth-207 have with if it lost 3 electrons?
p=83, n=124, e=80
List all 7 diatomic elements.
H2, N2, O2, F2, Cl2, I2, Br2
What do the colors and numbers on the NFPA Diamond represent?
Blue=health hazard, Red=flammability, White=special hazards, Yellow=reactivity
0=not, 1=slightly, 2=moderately, 3=hazardous, 4=extremely
An object with a mass of 0.0934 kg is dropped into a graduated cylinder containing 17.62 mL of water. The water level rose to 29.62 mL. What is the density?
7.78 g/mL
Draw the matter classification flow chart.
Look at the board.
Provide the names and charges for the elements in the metal triangle.
Silver +1, Cadmium +2, Zinc +2, Gallium +3, Indium +3, Aluminum +3
What are the names of the groups and families found on the Periodic Table?
Alkali Metals, Alkaline Earth Metals, Transition Metals, Post-Transitions/Other Metals, Metalloids, Nonmetals, Halogens, Noble Gases, Inner Transition Metals (Lanthanoids and Actinoids)