How do you know if a element is neutral?

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.

What type of chemical bond is formed between two atoms of bromine 1. metallic 2. hydrogen 3. ionic 4. covalent