An atom has 25 protons, 30 neutrons, and 25 electrons. What is the charge of the atom's nucleus?
F +25
G +30
H -25
J -30

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

The appropriate concentration for an iodine sanitizer is

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?