Chemistry, 10.07.2019 17:00 jamielytle
How many neutrons does element x have if its atomic number is 45 and its mass number is 156?
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
How many neutrons does element x have if its atomic number is 45 and its mass number is 156?...
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