(01.04 LC)
Which of the following is a chemical property?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Which element is the least metallic between cadmium, silver, zinc, or iron?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?