Answer:
The answer to your question is below
Explanation:
Physical properties are the properties in which there is no change in the nature of the substance but there is a change in the physical state.
Chemical properties are the properties in which the substance changes its nature. A new substance is formed.
A. Ice melts in the sun. Physical p.
B. Copper is a shiny metal. Physical p.
C. Paper can burn. Chemical p.
D. A silver knife can tarnish. Physical p.
E. A magnet removes iron particles from a mixture. Physical p.
I have attached a photo of the structure.
You can get better at solving problems like this by practicing a lot!
Ur ans is option d
addition
Answer:
Las moléculas de los reactivos tienen que chocar entre sí. Estos choques deben de producirse con energía suficiente de forma que se puedan romper y formar enlaces químicos. En el choque debe haber una orientación adecuada para que los enlaces que se tienen que romper y formar estén a una distancia y posición viable.
Answer:
I think that is pretty good and if you get it wrong you showed your work so your teacher can see you're thinking. That is defenetly gonna get you a score.
Explanation: