4. If you were going to replace water as the coolant in an engine, would you look for something with a higher or lower specific heat? Explain *

Which of the following units is not an official si unit? mole liter kilogram ampere

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

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