Introduction to Ions

If an element has 3 valence electrons, what charge will likely form on its ion ?

• +3

• +5

• -3

• -5

What charge will an Oxygen ion have? 

• +1

• -1

• +2

• -2

Tags

NGSS.HS-PS1-1

What is the charge of a sodium ion?

• +2

• +1

• -1

• -2

Find potassium...atomic number 19 on the periodic table. Potassium atoms tend to LOSE an electron in chemical reactions. What would be the net charge on a potassium atom if it lost 1 electron?

• 0

• +1

• -1

What is a positive ion called?

(a)  

• anion

• cation

• isotope

• covalent

What is a negative ion called?

(a)  

• anion

• cation

• covalent

• isotope

If an atom loses electrons, it becomes a negative ion.

(a)  

• True

• False

What is the charge of an atom that has lost one electron?

• -1

• -2

• +1

• +2

What is the charge of a chloride ion?

• +1

• -1

• +2

• -2

Which of the following ions is a cation?

• Cl^-

• Na^+

• O^2-

• F^-