Question

I Know this is not math but please help

Which of the following describes a chemical change?

roasting marshmallows until they turn brown
crushing recycled soda cans into a dense ball
melting gold coins to make a necklace
freezing water into ice

Answer 1

Can you describe a chemical change for me?

Answer 2

Chemical changes occur when a substance combines with another to form a new substance

Answer 3

Not really, During a chemical reaction the atoms within a substance are rearranged into different combinations.

Answer 4

An example of a chemical change is when you bake a cake!

Answer 5

oohhh its A yes

Answer 6

Make sure you always check your answers, Too!! (^o^)

Answer 7

OKK wait it is A omg i got it correct

Answer 8

Make sure you know the differents from a physical change and a chemical change

Answer 9

But you are correct is A. (^0^)

Answer 10

haha yes i will check my work next time thankxxx

Answer 11

A certain atom has 12 electrons, 12 neutrons, and 12 protons. What is this atom’s atomic number?

24
36
12
3

Answer 12

What is the meaning of Atomic numbers?

Answer 13

The meaning is basically the answer!! (^0^)

Answer 14

#^ 36

Answer 15

The Atomic number is the number of protons!

Answer 16

Make sure you remember your vocabulary (^o-)

Answer 17

ohh 12 ?

Answer 18

Yep!

Answer 19

Yayyy