What volume of 0.12m ba(oh)2 is needed to neutralize 12.2 ml of 0.25m hcl?

25 ml 13 ml 50ml 125 ml

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

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

What are fossils of organisms that existed over a wide area but only for a limited time period called?