A number written in front of a chemical formula to show how many molecules of that substance are present
O
Element
O Compound
O Subscript
Coefficient

is it a purebred? it looks more like a red nose, but it doesn't have the red could it be a staffordshire bull terrior? unsure if that's the right name for it sorry

jdjxnbfb

explanation:

jjfnc fdnxnxx

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

all eukaryotic cell have mitochondria : )