Safety
Something you should not do with food in class
Eat it
This researcher suggested that electrons move in orbits around nucleus
An attitude of doubt
Skepticism
Columns, or up and down, are called this in a periodic table...they are also called families
Groups
Rows, or side to side, are called this
Periods
A general area outside the lab
Field
This researcher suggested that the atom is mostly empty space
Ernest Rutherford
Understanding scientific terms and principles
Scientific literacy
This is the only non-metal in Group 14
Carbon
This is the 1-3 letter abbreviation of an element
Chemical symbol
This is who you should tell first when accident occurs
Teacher
In this model, the electron's movement is determined by its energy level
Cloud Model
This include observations and conclusions that have been repeated
Evidence
In the Oxygen family, this element is responsible for the rotten egg smell
Sulfur
A more in-depth way to define, this is the average mass of all the isotopes in an element...the main reason for the .000
Atomic mass
Wearing this on your eyes protect your vision
These two subatomic particles are located in the nucleus and responsible for vast majority of atomic mass
Protons & Neutrons
Idea formed from evidence but not yet confirmed by such
Opinion
This element is 90% of universe and has no family
Hydrogen
This Russian scientist rearranged and ordered a logical periodic table
Dmitri Mendeleev
The acronym commonly used for using a fire extinguisher
PASS
The atomic number or identity of the atom is based off number of this
Protons
An experiment where only one variable is changed at a time
Controlled experiment
This family, commonly known as this, are non-reactive
Noble gases
This type of element has a different number of neutrons
Isotope