Uses a special type of paper to separate liquids based on their different densities
a. filtration
b. distillation
c. crystallization
d. chromatography

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

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