Lab Safety
When is it ok to take off your protective gear and to leave the lab area (make sure your answer is the most correct, there are multiple correct answers)?
Once you have cleaned up your experiment area
Which subatomic particle do we use in order to make the atomic number (The atomic number equals the number of this particle)?
proton
A __________ is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
molecule
Data that refers to the characteristics of what we are observing is
Qualitative Date
You do an experiment that produces 150 ounces of red candy. What kind of data would the 150 ounces be classified as?
Qualitative Data
What angle should you keep a test tube away from you as it heats?
45 degrees
Which subatomic particle orbits the nucleus?
electrons
A __________________ is different from the elements that it is composed of, but a ____________________ may have properties similar to the pure substances that form it.
compound and mixture
Data that refers to the numerical values of what we are observing is
Quantitative Data
Carbon (C) is an example of a ________________?
Element
what does the P in PASS stand for, in regards to fire extinguishers?
pull the pin
Two atoms with different numbers of neutrons, but the same number of protons are called ___________?
Isotopes
Which of the following would be classified as pure substances?
elements and compounds
A variable that stay the same regardless of what else you are changing is a __________ variable.
Controlled
When substances doesn't mix uniformly and aren't evenly distributed they form a _______________________
Heterogenous Mixture
How long should you cleanse out your eyes after getting chemicals splashed up into them?
20 minutes
The atomic mass is made up of combining which two subatomic particles?
protons and neutrons
Look at the following: FeCl₃ . How many atoms are present for each of the elements listed?
Fe: 1, Cl: 3
Quade enters a candy eating competition. In the competition he eats 150 ounces of candy. What kind of data would the color red be classified as?
Qualitative Data
True or False: A Cation is an ion with a positive charge.
true
When taking recently heated glassware, you should clean it in:
Warm water
We talked about three models of the Atom. Which of the following is the current model of the Atom?
Electron Cloud Model
A _______________ is a substance that cannot be separated or broken down into simpler substances by chemical means
element
A variable that will be changed by the variable you change, meaning this is you are measuring the change of, is a _____________ variable.
Dependent
Which situation would the power shower come in handy?
A piece of clothing has caught on fire