indicate the formulae of the compounds against their points on the graph. 2. Describe your graphs and give reasons for their shapes. Period number Formula ...
Evidence for hydrogen bonds Boiling points of various compounds
Your task The three tables below show the boiling points, Tb, for various compounds that contain hydrogen. 1. On one graph, plot Tb (vertical axis) against period number (horizontal axis) for each of the compounds listed: • •
label the three lines to distinguish between the compounds with the general formulae HX, H2X or XH3; indicate the formulae of the compounds against their points on the graph.
2. Describe your graphs and give reasons for their shapes.
Trends in physical properties of group 2 elements. Your task. 1. Complete the tables below: Element. Symbol. Z. Electronic configuration beryllium magnesium.
First ionisation energies in Group II and Period 3. The first ionisation energy is the energy needed to remove one mole of the outermost electrons from one mole ...
Ionisation Energies in Group I and Period 2. The first ionisation energy is the energy needed to remove one mole of the outermost electrons from one mole of ...
Ionisation energy is the energy needed to remove one mole of electrons from one mole of atoms or ions in the gaseous state, i.e. for potassium: 1st ionisation ...
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