Which reaction is both a redox reaction and a combustion reaction? O A. 2C2H6 + 702-4002 + 6H20
B. Mg + Cucla - MgCl2 + Cu
C. 2A1 + 3Br2 - 2AlBrg
D. C + 02 – CO2

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

Can anybody me with this? ? (picture included.)

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom