1. study the groupings of the elements and their corresponding grp. names... for example: grp. O is a noble grp. and the elements that belong to this groups are helium,,,oxygen.... etc.
2. multiple choice/ selection of the introduction to chemistry.
3. double matching type based on enumerated items..
4. modified true or false good
5./ enumeration and identification.
goodluck!
_tnx poh ma'am. . .!
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