Which of the following elements has the strongest attraction for electrons?
a. oxygen
b. sulfur
c. aluminum
d. boron

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Which substances have the lowest melting points: ionic covalent, or metallic

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron