Isotopes & Ions

Negative ions are called

When an atom loses a valence electron, it becomes a(n) _____________ ion.

Positive ions form when atoms _________ valence electrons.

How many protons are in this element?

What charge does an atom have if it LOSES an electron?

When an atom LOSES an electron it is a

What is the number of protons?

What is the number of neutrons? Options: 34, 79, 45, 35

What is the charge on a lithium atom that loses 1 electron? Options: +1, 0, -1, -2

What is the net charge on Calcium (atomic number 20)? Options: cation +1 charge, cation +2 charge, anion -1 charge, anion -2 charge