Question

which of the following is true for all metals?
1.They are hard solid
2.They are high melting and boiling point.
3.They have 1-3 valence electrons
4.They are malleable and ductile​

Answer 1

Explanation:

They are malleable and ductile

Answer 2

They have 1-3 valence electrons is correct for all electrons .

sodium and potassium is metal but not hard