Matter & Energy
What are the three common states of matter?
Solid, Liquid, Gas
What particle is emitted during alpha decay?
Alpha particle
What element is present in all organic compunds?
Carbon
What does LEO stand for?
Lose Electrons Oxidation
What type of bond is formed when electrons are transferred?
Ionic Bond
What state of matter has a definite volume, but no definite shape?
Liquid
Which type of radiation has no charge?
Gamma Radiation
What type of hydrocarbon contains only single bonds?
Alkane
In Reduction, what happens to the oxidation state?
It decreases (gains - charge)
What is the difference between a polar and non-polar covalent bond?
Polar: electrons NOT equally shared
Non-Polar: electrons equally shared
During melting, does a substance absorb or release heat?
Absorbs heat
What happens to the atomic # during beta decay?
Increases by 1
What is the molecular formula for methane?
CH4
What happens to electrons during reduction?
They are gained
What is the chemical formula for calcium chloride?
CaCl2
What phase change occurs when a solid becomes a gas?
Sublimation
What type of nuclear reaction occurs when two small nuclei combine to form a larger nucleus?
Nuclear Fusion
What functional group is found in alcohols?
Hydroxyl group (-OH)
In a Voltaic Cell, where does oxidation occur?
Anode
Why are noble gases generally unreactive?
They have full valence shells
What equation is used to calculate the energy required to melt a substance?
q=mHf
A sample undergoes 3 half-lives. What fraction of the original sample remains?
What is the name of an alkane with 5 carbon atoms?
Pentane
Explain why a reaction in an Electrolytic cell is considered to be non-spontaneous?
It requires the use of a battery
Iron (III) Oxide