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Science Test Space
Class 8
Periodic classification of elements
The different types of periodic table and it's elements
13.
Write the chemical equation: alkaline metal with oxygen
Question:
5
m.
Fill in the blanks about alkaline metal with oxygen reaction:
1.
Choose the chemical element number \(20\) __________ and their oxygen reaction product __________.
\(2Be\)
\(2Ra\)
\(Ba\)
\(2Mg\)
\(Sr\)
\(2Ca\)
\(V\)
+
O
2
→
\(MnO_2\)
\(SrO_2\)
\(2RaO\)
\(2MgO\)
\(2BeO\)
\(BaO_2\)
\(2CaO\)
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