Another property of Group 7 elements is that they exist as coloured substances.Which one of the following is correct for chlorine?Chlorine exists as a dark grey solid.Chlorine exists as a toxic pale yellow gas.Chlorine exists as a red-brown liquid.Chlorine exists as a toxic yellowish-green gas.

Another property of Group 7 elements is that they exist as coloured substances.Which one of the following is correct for iodine?Iodine exists as a toxic yellowish-green gas.Iodine exists as a dark grey solid.Iodine exists as a toxic pale yellow gas.

Chlorine is a non-metal in group 7. This tells us that it will produce ions that have a charge of __________. Which of the following completes the sentence?

Which two of these properties are seen in group 7 elements?

Chlorine is an element that forms a poisonous greenish gas with the chemical formula Cl2.Recall what the 2 indicates.Molecules of chlorine gas contain atoms of two different elementsMolecules of chlorine gas contain two chlorine atoms bonded togetherThere are two types of chlorine atoms and these belong to the second typeI'm not sureQuestion 6SavedThe chemical symbol for sulfur is S. It often forms molecules containing 8 atoms each.Identify their chemical formula.8SSSSSSSSSSSI'm not sure

Which one of the following is not a property of Group 0 elements?Group 0 elements don't normally react to form compounds.Group 0 elements are non-flammable.Group 0 elements are found as colourful liquids.Group 0 elements exist as monoatomic gases.