Which two statements are true for both compounds and mixtures? []A. Their particles are held together by chemical bonds
[]B. They are made up of more than one type of atmos
[]C. They can be separated into two or more elements
[]D. Their particles all have the same chemical formula

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.

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

In a copper wire, a temperature increase is the result of which of the following