Chemistry, 04.11.2020 21:20 KalistaBab

Help asapThere are several elements that begin with "?" – three of them are located in Gruppo III. Knowing that the symbol has changed over the
last 150 years, identify those two elements ("?Yt=88" and "?Di=138")
and explain how you arrived at their identity.

Helppppp asapThere are several elements that begin with ? – three of them are

located in G

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Help asapThere are several elements that begin with "?" – three of them are located in Gruppo III. Knowing that the symbol has changed over the last 150 years, identify those two elements ("?Yt=88" and "?Di=138") and explain how you arrived at their identity.

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Another question on Chemistry

Help asapThere are several elements that begin with "?" – three of them are located in Gruppo III. Knowing that the symbol has changed over the
last 150 years, identify those two elements ("?Yt=88" and "?Di=138")
and explain how you arrived at their identity.