I need answers for these quickly Write the beta decay equations for the following

7. Sodium-24

8. Americium-247

9. Strontium-90

10. Gold-201

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)