Multiple ChoiceWhich of the following is the number of protons in a neutral atom of copper (Cu)?28views
Multiple ChoiceWhich of the following are considered the fundamental building blocks of all matter, including solids?29views
Multiple ChoiceWhich of the following is considered the smallest possible unit of matter that retains the properties of an element?28views
Multiple ChoiceWhich type of force holds protons and neutrons together in the nucleus of an atom?27views
Multiple ChoiceWhich is the smallest possible particle of an element that retains its chemical properties?32views