What Name Is Commonly Given to the Elements of Group

Q6: Ionization energy _ from top to bottom

Q7: Fr+ is called _.<br>A) a cation<br>B) an

Q8: Identify X in the expression <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6848/.jpg"

Q9: The breakthrough Dmitri Mendeleev had when constructing

Q10: What is the atomic number of uranium-235?<br>A)

Q12: Barium is an alkali earth metal.

Q13: An alpha particle consists of two protons

Q14: The atomic weight for an atom is

Q15: Iodine is the only non-metal that is

Q16: Write the atomic symbols for the following