Ionic Compounds

What is the atomic mass of Sodium?

• 22.99

• 23.99

• 21.99

• 20.99

What is the atomic number of Na?

• 11

• 9

• 7

• 13

What is the atomic number and atomic mass of chlorine?

• 17

  35.45

• 12

  33.45

• 19

  30.45

• 17

  35.4

Match the following

• Unstable Atom

  P: 11

  N: 12

• Cl

• Most abundant element in the universe

  Atomic number: 1

• Na

• Unstable Atom

  P:17

  N: 18

• H

Using Na and Cl....Which would become a cation?

• Na because if will lose an electron.

• Na because it will gain an electron.

• Cl because it will lose an electron.

• Cl because it will gain an electron.

Using Na and Cl....Which would become a anion?

• Na because if will lose an electron.

• Na because it will gain an electron.

• Cl because it will lose an electron.

• Cl because it will gain an electron.

Ions are stable when

• There are equal numbers of electrons on the outer shell

• There are unequal numbers of electrons on the inner shell

• There are unequal numbers of electrons on the outer shell

• There are equal numbers of electrons on the inner shell

Valence electrons are transferred from ​ (a)   to ​ (b)   to achieve ​ (c)   .

• metal
• nonmetal
• stable octets
• unstable octets
• aluminum

Metal becomes a _____.

Nonmetal becomes a _____.

• cation (+)

  anion (-)

• cation (-)

  anion (+)

• anion (-)

  cation (+)

• anion (+)

  cation (-)

What is it that is between the (+) and (-) ions that holds it together?

• Electrostatic attraction

• Covalent bond
• Gravity
• Magnetism