Atomic Theory
Negative
These horizontal rows on the periodic table tell you the number of electron shells an atom has
What are periods?
These substances are known for their sour taste and their ability to turn blue litmus paper red
What are Acids?
This piece of personal protective equipment (PPE) must be worn at all times to protect your vision from splashes.
What are Safety Glasses/Goggles?
What does this acronym stand for: BFND
Bobcat Fight Never Dies!
True or False: the mass of an electron is greater than a proton and a neutron
False!!!
These Group 18 elements are "snobby" and don't react with others because they have a full outer shell.
What are Noble Gases?
This is the characteristic taste of acids, commonly found in foods like lemons and vinegar
What is sour?
This is the correct way to smell a chemical in the lab without inhaling dangerous vapors directly
What is Wafting?
What is the molar mass of CO2?
44.0 g/mol
This Greek philosopher was the first to propose that matter was made of tiny, indivisible particles called "atomos"
Who is Democritus?
Which scientist/s major contribution was development of the periodic table based on the arrangement of elements by their properties and atomic mass?
This is the pH value of a perfectly neutral substance, such as pure distilled water
What is 7?
What is a lab material that would NOT be used in the event that a student's clothing caught fire?
Eyewash station
In nuclear __________, atomic nuclei split during a reaction and in nuclear _________, atomic nuclei collide during a reaction
fission; fusion
Often called the "Father of Modern Atomic Theory," he proposed that all atoms of a given element are identical in mass and properties.
Who is John Dalton?
Elements that show properties of both metals and nonmetals are classified as this
If a substance has a pH of exactly 7, it is described by this term:
What is "neutral"?
If a chemical splashes into your eyes, you should use this station for a minimum of 15 to 20 minutes.
What is the Eye Wash Station?
Why is water considered to be the "universal solvent"?
Water dissolves more chemicals, both inorganize and organize, than any other solvent
Name all three of the subatomic particles inside of an atom, with their charges and their masses
Proton: positive, mass of 1
Neutron: neutral, mass of 1
Electron: negative, mass of 0
These Group 1 metals are extremely reactive and soft enough to cut with a butter knife
What are Alkali Metals?
This property of strong acids and bases allows them to "eat away" at surfaces or skin through chemical action.
What is "corrosive"?
True or False: Before starting a lab, long hair should be tied back
True!
What is Ms. Bush's first name?
Hannah