State the mass number and the atomic number of colbalt-60

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

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