11) What is the symbol for an element on the periodic table?
12) What process is used to extract metals from ores?
13) Which type of reaction involves the exchange of electrons between reactants?
14) An acid can be defined as a substance that produces what in aqueous solution?
15) What type of chemical reaction occurs when two substances combine to form a single product?
16) What type of bond results from the sharing of electrons between atoms?
17) What type of reaction is the reverse of an oxidation reaction?
18) Q8 What type of reaction occurs when two substances react with the release of energy?
19) What is the symbol for the element sodium?
20) What does a calorimeter measure?