Chemical Reaction / Physical Change 🧫 Flashcards
1
Q
What is chemical reaction ?
A
A chemical reaction is when two or more products react to form a new product.
2
Q
What are some examples of chemical reaction ?
A
For signs of chemical reactions are - A) Colour Change, B) Gas Given Off (bubbles), C) Energy Change ( heat, light, sound, etc ), D) Precipitation (solid made from two liquids).
3
Q
What is Physical Change ?
A
Physical Change is when there is a change in shape, structure or size but no new product is formed.
4
Q
What happens to the reactivity as you go down a group in the Periodic Table ?
A
As you go down, the Periodic Table, the reactivity becomes more active.
