Answer:
The correct answer is
18
Groups of the periodic table: The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups.
Hope this helps!
- Quinn <3
A Personal Experience Timeline helps the writer generate a topic. The writer can use the timeline to see specific moments in their lifetime. The correct answer will be A.
D. Friends of the scientists who wrote the articles
Because the word “peer” is also another word for friends
D- The digestive system breaks down your food and your circulatory system takes it throughout your body