Data types And Variables
Type of data someone has.
What is Qualitative
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.
True or False: When working with chemicals, it is the best practice to smell the chemicals directly, rather than wafting them towards you
False
When substances doesn't mix uniformly and aren't evenly distributed they form a
Heterogenous Mixture
Two atoms with different numbers of neutrons, but the same number of protons are called ___________?
Isotopes
Type of data that uses numbers.
What is Quanitative
What does the P in PASS stand for, in regards to fire extinguishers?
Pull the pin
What angle should you keep a test tube away from you as it heats?
45 degrees
A ____________ is a substance made of atoms of two or more different elements that are chemically combined
Compound
Which subatomic particle do we use in order to make the atomic number (The atomic number equals the number of this particle)?
Proton
Something that relays only on itself.
What is Independent
When taking recently heated glassware, you should clean it in?
Warm water
Which situation would the power shower come in handy?
A piece of clothing has caught on fire
When substances are evenly distributed and the mixture is the same throughout they form a
Homogenous Mixture
We talked about three models of the Atom. Which of the following is the current model of the Atom?
Electron Cloud Model
Relys on other things
What is Dependent
What are the two protective items required each time you enter a lab area?
Eye Protection and Gloves
Brayden really loves science class. Like he really, really loves science class. Unfortunately, Brayden was busy making animal noises while Mr. Grim was giving instructions for the upcoming lab. Brayden ended up getting a chemical burn on his hand. What practice would have best helped Brayden avoid this situation?
Wearing appropriate protective gear
Oil and water mixed together is an example of a ________________ mixture
Heterogenous
In the picture bellow, the Atom on the left is gaining two electrons. What will happen to its charge? (Don't worry about how many protons it has... just focus on how the charge is changing)
Its charge will become more negative
Only a certain amount.
What is controlled
True or False: When disposing of chemicals, it is proper procedure to pour all unused chemicals down the drain
False
How long should you cleanse out your eyes after getting chemicals splashed up into them?
20 minutes
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, Mixture
The atomic mass is made up of combining which two subatomic particles?
Protons & Neutrons