How are solutions heated in a small 3 ml test tube

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

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

Determine type of reaction & predict the product c3h12+o2 =