Please help asap DNA's diameter is 0.000000002 meters. What is this measurement in scientific notation? a. 2.0 x 10 m
b. 2.0 x 10 m
C. 20.0 x 10 ml
d. 0.2 x 10.m

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

When would a bouncy ball have the most potential energy

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms