In this case, when forming oxides from a metal and oxygen, for us to find out each element's subscript, we must exchange them as shown below, considering +5 for scandium:

$Sc^{+5}_2O^{-2}_5$

For that reason, the answer is d . Sc2O5

Best regards.

3 0

3 years ago

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A piece of lithium is placed on the surface of some water in a beaker. hydrogen is given off. Lithium hydroxide is formed. What

Gala2k [10]

A piece of lithium is placed on the surface of some water in a beaker. Hydrogen is given off and Lithium hydroxide is formed. The word equation would be as follows:


lithium + water→ lithium hydroxide + hydrogen

Hope this answers the question. Have a nice day.

8 0

3 years ago

• Compare non-transition and transition

Lyrx [107]

Answer:

nitrgen atom

Explanation:

periodic table

6 0

3 years ago