15 elements
Molecules
Facts
Facts and Reactions
Balancing Reactions
100
What is the symbol for Sodium?
Na
100
What is the chemical formula for Salt and Water?
NaCl and H20
100
What is the smallest component of an an element having the chemical properties of that element?
An atom
100
The nucleus of the atom contains the ______ and the _____, while the ____spin around the nucleus. Name their charges as well
Protons (+), neutrons (0), electrons (-)
100
Al + MgO ---> Mg + Al2O3
2Al+ 3MgO ----> 3Mg + Al2O3
200
What is the symbol for Iron?
Fe
200
What is the chemical formula for Nitrogen gas, Oxygen gas, and Carbon Monoxide?
N2, O2, and CO
200
What are the four most common elements in the human body?
nitrogen, oxygen, carbon, and hydrogen
200
Bones are primarily comprised of _____ and _____
calcium and phosphorus
200
H2SO4 + NaOH ----> Na2SO4 + H20
H2SO4 + 2NaOH---> Na2SO4 + 2 H20
300
What is the symbol for Magnesium?
Mg
300
DOUBLE JEOPARDY
What is the chemical formula for Sucrose
300
this element is crucial to Chlorophyll
Magnesium
300
Define molecule and Compound
molecule-two or more atoms bonded together. Compound-two or more different atoms bonded together.
300
H202 --> O2+ H2O
2 H2O2 ---> O2 + 2H2O
400
What is the symbol for Silver?
Ag
400
What is the chemical formula for glucose?
C6H12O6
400
The two most common elements in the Earth's atmosphere and the percent composition of each:
nitrogen-78% Oxygen-21%
400
DOUBLE JEOPARDY
What is Respiration? and its reaction?
400
C6H12O6 + O2 ---> CO2 + H20
C6H12O6 + 6O2 ---> 6CO2 + 6H20
500
What is the symbol for Mercury?
Hg
500
What is the chemical formula for chlorophyll?
C55H72O5MgN4O5
500
This element is crucial for the hemoglobin molecule.
Fe (Iron)
500
What is the Photosynthesis? and what is its reaction?
Reaction by which plant cells use the sun's energy to produce food (glucose). CO2+ H20+ Sun's energy----> C6H12O6 +O2
500
C10H16 + Cl2 ---> HCl + C
C10H16 + 8Cl2 ---> 16HCl + 10C