Lab Safety
What has to be done to ensure the safety of long hair?
Tieing it back so it won't catch fire
What is one sign of physical change?
melting, change of size, volume, color, density, and/or crystal form
What form of matter has no definite shape?
Liquid
What is the lowest energy state of an atom called?
Ground state
What side of the table is metals?
The left
What should you do if something spills?
Notify the teacher immediately and allow them to clean the mess.
Change of color, formation of gas, formation of precipitation, change in odor, change in temperature
What has a set shape?
Solid
What is the primary difference between the 1s and the 2s orbitals?
The 2s radius is bigger than the 1s
What way do groups go?
Vertical
If your face is itchy, what should be done?
Wash your hands, then itch, then again wash your hands.
The total mass of any material system is neither increased nor diminished by reactions between the parts
the conservation of mass?
What form of matter has mass?
(Trick Question) All forms of matters
What is the trend in atomic radii as you move from left to right across a period?
Decrease left to right
What ways do periods go?
Horizontal
What should be done to keep things organized?
Keeping your station clean while the lab is in progress.
What is the difference between a chemical process and a physical process in chemistry?
There is no real difference between a chemical process and a physical process in chemistry.
Gas has what type of form?
Non Form
When is a line spectrum produced?
Transitions of electron within ions and atoms
What side of the table is nonmetals?
The right
What to do if you have contact in without glasses?
Swap them to have an extra layer of protection.
Where can we find chemical and physical changes?
Chemical and physical changes are all around us.
What is the fourth form of matter that is a solid and a liquid? Most commonly known as Oobleck.
What are the trends in electron configuration?
Elements in the same Group have the same number of valence shell electrons
One family of the periodic table?
Akali metals, gases, earth metals, transition elements, halogens