Answer:
carbon dioxide, salt, copper
Answer:
Define a problem, form a hypothesis, gather experimental data, form a conclusion
Correct answer- B the electrons every two elements are arranged in energy levels: a maximum two electrons in the first level. ((( i thinkkk )))
Answer:
A. Precipitate reaction
Explanation:
The types of reactions are (1) combination or synthesis reactions. (2) decomposition reactions. (3) substitution or single replacement reactions. (4) metathesis or double displacement reactions