Which statement best summarizes the importance of ernest rutherford’s gold foil experiment ? ?
a) it proved that all of john daltons postulates were true
b) it verified j. j thompson work on the atomic structure
c) it showed that an electron circles a nucleus in a fixed-energy orbit
d) it showed that a nucleus occupies a small part of the whole atom

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace