Safety
If you or your lab partner is hurt, immediately yell out what phrase?
Code one, Code one!
Who was the English scientists that rearranged the periodic table to the one we use today?
Moseley
Name this compound
PCl5
Phosphorus pentachloride
Convert 558 to Celsius
285 degree Celsius
50%
True or False: All chemicals in the laboratory are to be considered dangerous
True
The concept that matter was composed of tiny indivisible particles was originally given by
Democritus
Calcium chloride
CaCl2
Perform the following function:
3.402 x 2.1
7.1
What is an example of a single replacement equation?
Answers will vary.
A + BC => AC + B
What lab equipment should you use when handling heated materials?
Tongs or heat protective gloves
Who was the first person to articulate the atomic theory?
John Dalton
Write the name of this compound:
S2O3
Disulfur trioxide
Convert 1.2 mol of Cl2 to grams
85 g Cl2
Water testing is a branch of what type of chemistry?
Analytical Chemistry
Wash bottles should only be filled with what liquid?
Distilled water
Who conducted a series of experiments on what was termed the “spring of air”? He know has a specific gas law named after him.
Boyle
Write the chemical formula:
Potassium flouride
KF
(9.0 x 108)/(3 x 104)
30,000
What are the four steps in the scientific theory?
1. Observation
2. Form a hypothesis
3. Data Collection via Experiment
4. Form a conclusion
What should you never immerse hot glassware in?
Cold water, it will shatter
What Greek philosopher thought matter derived from earth, wind, fire and air?
Plato
Name this compound
Sn(OH)4
Tin (IV) hydroxide
In an experiment, 25 g of LiCl in "theory" should be produced however only 10 g was actually produced. What is the percent yield?
40%
The earth attracts all objects to its surface by gravity. This statement was proved by Isaac Newton, this statement is a ____.
Law