Naturally occurring solid material from which a metal or valuable mineral can be extracted profitably.
Answer:
-4
Explanation:
15 protons and 19 electrons can be thought of as:
15+(-19), which is -4
The answer is (3) -3. We can know that typically Br has the oxidation state of -1. And the H always has the oxidation state of +1. The total formula needs to have zero oxidation state. So the nitrogen is -3.
Answer:
b cation
Explanation:
that plus means it is positively charged. ions that are positively charged are cations. negatively charged ions are called anions
