A là hidrocac bon có liên kết đôi khí ozon phân oxi hóa thu được HOOC(CH2)3COOH, Ozon phân tử hóa thu được OHC(CH2)3CHO. Xác định A

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

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