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Chemistry, 12.10.2020 05:01 alondrabarraza

I don't understand how and why some transition metals form more than one ions eg: copper forms two. PLS EXPLAIN. I WILL GIVE YOU BRAINLIEST. PLS EXPLAIN PROPERLY AND IN FULL DETAIL. I AM IN YEAR 9. THANKYOU
USE COPPER OXIDE IONS AS AN EXAMPLE.
7-8 POINTS

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I don't understand how and why some transition metals form more than one ions eg: copper forms two....
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