4, loses an electron. a plus sign indicates an atom is losing an electron while a minus sign indicates an atom is gaining an electron
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Am letting the picture doing the talk.
Answer:
D-the measure of temperature in a system
Answer: 58.44g
Explanation: The molar mass of NaCl is 58.44g.
A synthesis would be A+B-->AB its combining, decomposition is AB-->A+B, its the breaking up of a substance.