Magnesium is in group II of the periodic table. How many electrons would it transfer when it reacts with oxygen and what would the charge be on its ion?
  • 1 electron, +1 ion
  • 2 electrons, +2 ion
  • 3 electrons, +2 ion
  • 4 electrons +3 ion
Which of the following statements is correct about chlorine?
  • Chlorine gas is poisonous
  • Chlorine has six electrons in its outer energy level
  • Chlorine's outer energy level is not full which means it is a reactive non-metal
  • Chlorine forms a negative ion
Why is sodium a reactive metal?
  • It has a low melting point
  • It is silvery-grey in color
  • It has one electron in its outer energy level (electron shell)
  • It has seven electrons in its outer shell
When metals bond with non-metals what happens to their electrons?
  • The metals lose electrons
  • The metals gain electrons
  • The metals share their electrons
  • The metals keep the same number of electrons
46g of sodium react with how much oxygen to produce 110g of sodium oxide?
  • 23g
  • 46g
  • 64g
  • 110g
When sodium and chlorine react what happens to their electrons?
  • One electron is transferred from the sodium to the chlorine
  • One electron is transferred from the chlorine to the sodium
  • The chlorine and the sodium share an electron
  • Seven electrons are transferred from the chlorine to the sodium
Potassium is in the same group of the periodic table as sodium but lower down the group. This means what?
  • Potassium is less popular
  • Potassium has more electrons in its outer energy level
  • Potassium will react more slowly
  • Potassium will form ionic compounds with non-metals
Which sub-atomic particles are involved in chemical bonding?
  • Neutrons
  • Protons
  • Electrons
  • All af them
Which of the following reactions does not involve ionic bonding?
  • sodium + chlorine → sodium chloride
  • sulfur and oxygen → sulfur dioxide
  • iron and oxygen → iron oxide
  • zinc and nitric acid → zinc nitrate and water
What is the ionic bond between sodium and chlorine?
  • A pair of shared electrons
  • The nucleus of the sodium atom sticks to the chlorine
  • Particles called gluons attach the two atoms to each other
  • An electrostatic charge holds them together
0 h : 0 m : 1 s

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