In this chemical reaction how many grams of al 203 will be produced if 175 g of al react completely

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull