Question

which one is odd one out 1:iron,copper, silver,silicon 2, copper,aluminum, sodium, iron3: helium,hydrogen argon,xenon4: diamond,graphite,iodine, sulphur​

Answer 1

Answer:

1 silicon non metal

2 sodium very reactive among less reactive

3 xenon not a noble gas

4 graphite conductor of electricity

Explanation:

Answer 2

Answer:

Explanation:

1.silicon

2.sodium

3.hydrogen