What element has 20 protons and forms a +2 Cation?

1 answer

Calcium. (atomic number 20, in periodic table column 2)
Similar Questions
  1. What makes an isotope of an element?Different forms of an element have the same number of protons but different numbers of
    1. answers icon 1 answer
    1. answers icon 1 answer
  2. How to solve this:One isotope of a metallic element has mass # of 65 and 35 neutrons in nucleus. The cation derived from the
    1. answers icon 0 answers
  3. What is an isotope?(3 points)Responses Two or more forms of the same element that contain equal numbers of protons but different
    1. answers icon 1 answer
more similar questions