Bonding
Na + Cl
Ionic
A ________ can be used to speed up a chemical reaction
Catalyst
The elements in the first column of the periodic table are _________
Alkali metals
An acid and a base combine to form ________
Salt
What natural rubber is made from
Latex
H2 + O
Covalent
The products of a ___________ reaction have a higher temperature than the reactants
Exothermic
The elements in the last column of the periodic table are
Noble gases
A substance is a _________ if it releases H+ ions when dissolved in water
Acid
What synthetic rubber is made from
Petroleum
O + O
Covalent
The products of a ________ reaction have a lower temperature than the reactants.
Endothermic
The elements in the center of the periodic table are
Transition metals
A substance is a _________ if it releases OH- ions when dissolved in water
Base
A long flexible chain of molecules
Polymer
K + Br
Ionic
A ___________ is a catalyst that increases the rate of digestion
Enzyme
The elements in the second column of the periodic table are
Alkali-earth-metals
An acid is a __________
Proton donor
Process that makes rubber strong and flexible
Vulcanization
Al + Al
Metallic
Temperature can increase the _________ of a chemical reaction
Reaction rate
What has 6 protons, 6 electrons and usually 6 neutrons?
Carbon
A base is a __________
Proton acceptor
A natural polymer found in plants
Cellulose