Please Help D: A student runs tests on an unknown substance and discovers the following properties. What other property does this element most likely have?
A highly reactive
B low electronegativity
C has many isotopes
D not found pure in nature

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

What is the correct term for living the most sustainable life you can within your current circumstances?

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt