3+
Key:
4N
=proton
=electron
=neutron
N
What element is this

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

What is the independent variable in this investigation? mass volume sample number substance density

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water