7. What is the difference between hard water and soft water? a) Hard water contains more minerals.
b) Soft water is liquid and hard water is ice.
c) Soft water is purified water while hard water is contaminated water.
d) Hard water contains more sodium stearate.

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

What is one real world example of a colligative property?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.