Science first degree school

1- all the following are properties of sodium element except
Ametal
Has metallic luster
Bad electrical conductor
Formable

2- element X it's boiling point is 2807°c and it's a melting  point is 1064°c which of the following is aproperty of element X
Bad electrical conductor
Brittle
Ductile
Opaque

Which of the following quations helps in the classification of some element to metals and non metals
?Is it solid
?Is it liquid
?Is it colored
?Is it Brittle

What is the common property of both sodium and copper 
Color
Density
Melting point
Physical state

The last energy level of metal atoms contains
1 : 3 electrons
3:5 electrons
5:7 electrons
Eight electrons