Can somebody help me because my teacher had a baby and always tired so we teach ourself

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

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients