Question
When in a compound, group 7A metals have an oxidation state of ____ unless combined with an element of greater electronegativity.
Answer
When in a compound, group 7A metals have an oxidation state of -1 unless combined with an element of greater electronegativity.
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In element notation, A is the ____
In element notation, Z is the ____
____ is the weighted average of the masses of an element's isotopes .
Atomic weight is ____.
The ____ states that an atom is mostly empty space, with electrons orbiting a fixed, positively charged nucleus.
The Rutherford Model states that ____.