Kendra conducts an experiment. She mixes two chemicals, resulting in a chemical reaction. Based on Kendra’s experiment, what can be concluded about the original matter before mixing?

It did not change in identity but did change properties.
It changed in identity but not properties.
It changed in identity and properties.
It did not change in identity nor properties.

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates