Atoms that carry an electric charge because they gained or lost electrons are called ions.
D because O3 means oxygen times 3 times it self so you add another oxygen partial it becomes O4
Answer:
The last region should be right
Explanation:
Can you show the question that goes with those answer pls
1 - Chemistry is a branch of science focusing on elements, reactions, and chemicals.
2 - We study chemistry to learn more about these chemicals and elements and to discover new chemicals as well as to answer questions in life about reactions.
3 - Chemistry relates to our life in various ways, from the chemicals we inhale to the basic reactions in cooking and baking.
4 - The main branches of Chemistry are Physical, analytical, biochemistry, organic and inorganic chemistry.
Hope this helps!