(1 point) Given the following choices, which element has the highest ionization energy?

Question 4 (1 point)
Given the following choices, which element has the highest ionization energy?
O a. K
O b. F
O c. Li
O d. Kr
Question 5 (1 point)
Why did Mendeleev's periodic table become widely accepted?
O a. It predicted undiscovered elements
O b. It was in alphabetical order
O c. He had discovered most of the elements on the periodic table
O d. He was known for being the smartest scientists
Question 6 (1 point)
Mosley made a periodic table based upon
O a. atomic number
O b. atomic mass
O c. colors
O d. alphabetical order
Question 7 (1 point)
Which element would be the most reactive in the alkaline earth metal family?
O a. Li
O b. Ba
O c. Be
O d. Cs