What is the term for an ion that has more protons than electrons? negative ion halogen cation anion

One does not belong why? ice, gold ,wood ,diamond and table salt

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules