The amount of matter in an object is called its

The minerals found in bones are deposited by living cells called

An observation that requires measurement is called quantitative observable or qualitative

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