4. consider how a balloon can be propelled down a string and how/why that would work.
write your hypothesis.
you be the chemist" activity guide | page 214
meeting with my coach to obtain a signea, emuy pas
calling or emailing my instructor and coach to let them know if i will be late or absent.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What happens to isotopes that are unstable?

Which element is the least metallic between cadmium, silver, zinc, or iron?