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unit 4-section 1
vocab words
Question | Answer |
---|---|
Ion | an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons |
Cation | an ion with net positive charge, having more protons than electrons |
Anion | an ion with net negative charge, having more electrons than proton |
Oxidation Number | numerical charge on the ions of an element |
Valence Electron | an electron in the outer shell of an atom which can combine with other atoms to form molecules |
Octet Rule | a simple chemical rule of thumb that states that atoms tend to combine in such a way that they each have eight electrons in their valence shells |
Ionic Bond | a chemical bond between two ions with opposite charges |
Covalent Bond | a chemical bond formed by the sharing of one or more electrons |
Molecular Compound | the simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds |
Binary Compound | chemical compound composed of only two elements |
Polyatomic Ion | an electrically charged species formed by covalent bonding of atoms of two or more different elements |
Organic Compound | any compound of carbon and another element or a radical |
Hydrate | a chemical compound that can dissociate reversibly into water and another compound |
Diatomic Molecule | a molecule with two atoms |