Which statement is true for chemical reactions but not for nuclear reactions? A. The chemical bonds between atoms are unchanged.
B. The reactions convert some mass into energy.
C. The nuclei of the atoms involved stay the same.
D. The products contain less total mass than the reactants.

Which position represents spring in the southern hemisphere? a) b) c) d)

What’s the theoretical yield of solid lead

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of