No student devices needed. Know more
36 questions
What does the number 11 stand for in the Sodium block?
atomic number
atomic weight
Stranger Things
What does the K stand for in the Potassium block?
Atomic number
Atomic weight
Symbol for the atom
What does the 40.08 stand for in the Calcium block?
Atomic number
Atomic mass
Atomic symbol
What is the charge of an atom that has gained two electrons?
-1
-2
+1
+2
Anions are...
Positive
Negative
Neutral
9 protons and 9 neutrons
Fluorine-18
Fluorine-9
Fluorine-16
Fluorine-18.998
Explore all questions with a free account