(b) 30% (0)<br />10%<br />Find the H. C.F of 5a² and 20a²b <br />(<br />Find the L. C.M. of 3a²b and 2ab²<br /><br />Write28-3 + a + 4 as a single fraction<br />22<br />(a) 3a + 7 (b) a +7 (c) 3a -1 (d) 3a +<br />2 2<br />2 2<br />Find the value of x. if 4x + 7 = 5x + 6 (a) (b)<br />(0)-2<br />4+7​

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/4zZs6GM

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

po-215 i got it right on the quiz