Elements
Periodic Table
Measurements
Matter & Energy
Electrons
100
Mg
What is Magnesium?
100
Group 1A
What are Alkali Metals?
100
the gram
What is the measurement for Mass?
100
Any material that has mass and occupies space.
What is Matter?
100
electrons in the outermost energy level.
What is a valence electron?
200
O
What is Oxygen?
200
Group 8A
What the Noble Gases?
200
the Meter
What is the measurement for length?
200
Matter that is composed of only one type of substance and cannot separate into simpler substances by chemical means.
What is an Element?
200
electrons in the outermost shell of non-metals?
What are the p block electrons?
300
Mn
What is Manganese?
300
elements in the "center" of the table
What are transitional metals?
300
bonus question.
bonus
300
Matter that can separate into simpler substances by chemical means.
What is a Compound?
300
where the protons and neutrons reside.
What is the nucleus?
400
K
What is Potassium?
400
The vertical columns that contain elements with similar properties.
What is a "group"?
400
10^-6
What is a micro?
400
A mixture with a uniform composition (i.e. - salt water)
What is a Homogeneous mixture.
400
positively charged particles fired at a thin sheet of gold foil, and some of the particles changed direction.
What is the Rutherford model?
500
As
What is Arsenic?
500
A period.
What is a horizontal row called?
500
A mixture that is non-uniform in composition.
What is a Heterogeneous mixture?
500
[Ar] 4s1 3d5
What is the abbreviated configuration of Chromium?