2 3.5.2 Test (CST): Computer-Scored Unit Test Question 8 of 25
Which of these elements has the smallest first ionization energy?
O A. K
O B. Li
C. Rb
O D. Na
SUBMIT

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

What produces wave a)sound b) heats c)transfer of energy d)vibrations