A student used a Vernier magnetic field sensor to measure the strength of the magnetic field generated by a bar magnet. At which position is the strength of the magnetic field strongest Point A or Point B?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility