Vocabulary
Reactions
Bonds
Properties of Water
Atoms
100
The smallest basic unit of matter.
What is the cell?
100
Chemical reactions that absorb more energy than they release.
What is endothermic?
100
The bond that requires the most energy to break.
What is covalent.
100
The main property of water that makes water important to living things.
What is polarity?
100
This is how ions form from an atom.
What is gain or lose electrons.
200
The way that chemical reactions change substances into different substances.
What is by breaking and forming bonds.
200
The type of bonds that hold atoms together in functional groups.
What is covalent bonds?
200
The reason that water is a liquid at room temperature when other similar sized molecules are gases such as methane and Oxygen.
What is hydrogen bonds?
200
This property of carbon makes it the "Building Block of Life"
What is the ability to form 4 covalent bonds.
300
An isotope of Barium is Ba-139. Barium has an atomic number of 56, how many neutrons does Ba-139 have?
What is 83.
300
The reactants in the following reaction: 6H2O + 6CO2 -> C6H12O6 + 6O2
What is 6H2O + 6CO2?
300
Atoms are held together in molecules by what?
What is covalent bonds?
300
What property of water explains why honey dissolves easily in water?
What is a polar molecule.
300
What subatomic particle varies among isotopes?
What is neutrons?
400
Ions can dissolve in _________, making it function better within a living organism.
What is blood plasma?
400
a reaction where more energy is absorbed than released.
What is the result of an endothermic reaction?
400
This is what happens when bonds bread and reform...
What is a chemical reaction?
400
If the pH in a stomach increases from 1 to 3, how does the hydrogen ion concentration change?
What is decreases by a factor of 100.
400
What determines that polarity of a bond between atoms?
What is The difference in the relative attraction of electrons in each atom?
500
What is the solvent when making sweet tea?
What is Tea or water.
500
Identify the products in the following reaction: 6H2O + 6CO2 -> C6H12O6 + 6O2
What is C6H12O6 + 6O2
500
What is the weakest type of bond we have discussed?
What is hydrogen bonds.
500
If Hydrochloric Acid is added to a neutral solution, what will happen to the pH?
What is the pH will decrease.
500
The maximum number of covalent bonds that a single carbon atom can form.
What is four.
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