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If two or more elements are involved in a chemical reaction they will most likely form a/an ___. [Compound]
When two or more substances are mixed together without undergoing a chemical reaction, it results in a/an ___. [Mixture]
All matter is composed of tiny particles called ___. [Atoms]
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The particle of an atom that carries a positive charge is called a ___.[Proton]
The particles of an atom that carries a negative charge is called ___. [Electron]
The mass number of an atom is found by adding the ___. [Protons and neutrons]
An atom of an element that has the same number of protons but different number of neutrons is called ____. [Isotope]
The atomic number of an element is found by counting the number of ___ in an atom. [Protons]
Which particle does the gray ball at position 3 represent? [Neutron]
-Yellow/ #1 [Electron]
-Red/ #2 [Proton]
Which of the following describes a compound? [Atoms of hydrogen and oxygen chemically combined to form water]
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