Question

Name the elements belonging to group 2 of the modern periodic table

1. classified a non ,etals
2. forming non metals
3. with high melting point
4. forming positive ions

Answer 1

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Elements	Metal or non metal	Forms compound with non metal	High melting point	Positive ion
Be	Metal	Yes Ex ., BeCl​2	1560 K	Be2+
Mg	Metal	Yes Ex ., MgCl​2	923 K	Mg2+
Ca	Metal	Yes Ex ., CaCl​2	1115 K	Ca2+
Sr	Metal	Yes Ex ., SrCl​2	1042 K	Sr2+
Ba	Metal	Yes Ex ., BaCl​2	1000 K	Ba2+
Ra	Metal	Yes Ex ., RaCl​2	973 K	Ra2+

The metallic nature is more down the group and less at the top i.e., Be is less metallic and Ra is more metallic in nature.