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Chapter 13 Physical
Question | Answer |
---|---|
is formed when atoms share one or more electrons. | covalent |
is formed when atoms transfer electrons. | ionic bond |
A charged atom is called a(n) | ion |
The electrons used for chemical bonds are ____________electrons. | valence |
represents the charge that an ion has when it forms an ionic bond with one or more atoms. | oxidation number |
rule states that chemically stable atoms have 8 valence electrons. | octet |
is formed when an atom acquires an electrical charge by gaining or losing electrons. | ion |
Atoms form chemical bonds with other atoms to become more | stable |
Sodium forms a bond with chlorine when sodium __________ its valence electron and chlorine _____________ a valence electron. | lose/receives |
Group 2 elements have an oxidation number of | +2 |
Calcium and chloride would most likely form a (ionic / covalent) bond. | ionic |
An element that has 7 valence electrons accepts one more to complete its outermost shell. This element will have an oxidation number of | -1 |
The oxidation number for group 16 elements are | -2 |
What type of bond holds a water molecule together? | covalent |
What type of bond is formed between aluminum and chlorine? | ionic bond |