He Has the Same Number of Valence Electrons as _____

Q5: Metals tend to _ electrons to form

Q7: An element has two naturally occurring isotopes.

Q8: Carbon has three isotopes: ¹²C, ¹³C, and

Q9: The atomic mass of fluorine (F)is 19.00.

Q12: These elements Li, Na, K, Rb, and

Q13: What is the charge on an ion

Q14: Which of these is the correct representation

Q27: Which of the following has the largest

Q44: Which of these elements is not a

Q79: Calculate the number of moles in a