Atomic
Structure
Structure
Periodic
Table
Table
It's all Chemical
Density
Energy
Flow
Flow
100
the center of an atom that contains the protons and neutrons
What is a Nucleus?
100
the name given to the vertical columns of elements on the periodic table
What is a Group/Family?
100
the number of molecules in
3FE2O3
What is 3?
100
Mass divided by volume
What is calculating density?
100
A series of events in which one organism eats another in order to gain energy
What is a food chain?
200
The number of electrons
What is 79?
200
elements located in group/family 18 on the Periodic Table
What is Noble Gases?
200
The atoms in Na2S04
What is 7 atoms?
200
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3.
What is 7g/cm3?
200
This is called a
What is a food web?
300
The name of the two subatomic particles located inside the nucleus.
What are Protons and Neutrons?
300
This group of elements are called
What are Transition Metals?
300
color change, temperature change, gas formation, or precipitate
What is a chemical reaction?
300
Volume of a regular shaped object can be determined by multiplying
What is length times width times height?
300
Organisms that make their own food
What are producers?
400
a diagram that shows an atom's nucleus surrounded by an electron cloud
What is a Bohr Model?
400
A student is studying a mystery substance. It breaks easily. It has a very dull luster. It doesn't conduct any electricity.
What is a Non-Metal?
400
Coal contains carbon and other elements. Carbon dioxide forms when coal burns in the presence of oxygen. The best evidence that a chemical reaction occurs when coal burns is:
A. The shape of the coal changes.
B. Oxygen is present.
C. A new substance is produced.
D. Coal is made up of more than one element.
What is a new substance is produced?
400
A bar of copper has a mass of 216g and a volume of 24cm3.
What is 9?
400
The top predator in the food web
What is a Hawk?
500
What is Carbon?
500
element is found in group 17 period 3
What is Chlorine?
500
Number of elements in this equation:
2Fe + 6HC2H3O2 → 2Fe(C2H3O2)3 + 3H2
What is 4?
500
Volume of this object is
What is 24?
500
The two organisms that could be harmed if the mouse population decreased
What is snake and wolf?