Structure and bonding

Of the 3 states (solid, liquid, gas), which state has the highest energy?

• Solid

• Liquid

• Gas

Of the 3 states (solid, liquid, gas), which state will be the coldest?

• Solid

• Liquid

• Gas

In which state are atoms densely packed, but able to move?

• Solid

• Liquid

• Gas

What is the flow of electricity?

• The movement of charged particles

• Densely packed electrons

• The creation of ions

How does electricity flow through a substance (like graphite, or metals)?

• The electrons are de-localised

• The substance has a lot of energy

• The electrons are locked in bonds

Mg is in Group 2 on the periodic table. How many electrons will it gain or lose during ionic bonding?

• Lose 2 electrons

• Gain 2 electrons

• Lose 1 electron

• Gain 1 electron

Oxygen is in Group 6 on the periodic table. How many electrons will it gain or lose during ionic bonding?

• Gain 2 electrons

• Lose 2 electrons

• Gain 1 electron

• Lose 1 electron

Lithium is in Group 1. When a Lithium atom undergoes Ionic bonding, what will it become?

• An ion with charge 1+

• An ion with charge 1-

• A molecule

• A bigger atom

What is the chemical formula for this dot-cross diagram?

• NH₃

• Nitrogen-Hydrogen

• HHHN

• Ammonia

What is the chemical formula for this dot-cross diagram?

• Cl₂

• Cl-Cl

• Chlorine