An ionic bond always forms between ion with a positive charge and ion with a negative charge.

There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23

The appropriate concentration for an iodine sanitizer is

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral