Everything Science Grade 11

CHAPTER 1. ATOMICCOMBINATIONS 1.4 Example 1: Covalent bonding QUESTION How do hydrogen and chlorine atoms bond covalently in a m ...

1.4 CHAPTER 1. ATOMICCOMBINATIONS SOLUTION Step 1 : Determine the electronconfiguration of each of the bonding atoms. A nitrogen ...

CHAPTER 1. ATOMICCOMBINATIONS 1.4 2 p^4. Step 2 : Determine the number of valence electrons for each atom and howmany of these e ...

1.5 CHAPTER 1. ATOMICCOMBINATIONS Draw simple diagrams to show how electronsare arranged in the following covalent molecules: ...

CHAPTER 1. ATOMICCOMBINATIONS 1.5 The electron configuration of hydrogen is 1s^1 and the electron configuration for oxygen is 1s ...

1.5 CHAPTER 1. ATOMICCOMBINATIONS Example 6: Lewis notation: Atomswith variable valencies QUESTION Represent the moleculeH 2 S u ...

CHAPTER 1. ATOMICCOMBINATIONS 1.5 A dative covalent bond (also known as a coordinate covalent bond) is adescription of co- valen ...

1.6 CHAPTER 1. ATOMICCOMBINATIONS (c) What is the valencyof element X? (d) How many covalentbonds are in the molecule? (e) Sugge ...

CHAPTER 1. ATOMICCOMBINATIONS 1.6 pulled more strongly bythe atom with the highest electronegativity. As aresult, a polar covale ...

1.7 CHAPTER 1. ATOMICCOMBINATIONS 1.7 Ionic Bonding ESBJ The nature of the ionic bond ESBK You will remember thatwhen atoms bond ...

CHAPTER 1. ATOMICCOMBINATIONS 1.7 Another example of ionic bonding takes place between magnesium (Mg) and oxygen (O) to formmag- ...

1.8 CHAPTER 1. ATOMICCOMBINATIONS not contain one Na andone Cl ion, but rather alot of these two ions arranged in a crystal latt ...

CHAPTER 1. ATOMICCOMBINATIONS 1.8 DEFINITION: Metallic bond Metallic bonding is theelectrostatic attraction between the positive ...

1.9 CHAPTER 1. ATOMICCOMBINATIONS Density Metals have a high density because their atomsare packed closely together. Exercise ...

CHAPTER 1. ATOMICCOMBINATIONS 1.9 can help to work out how many atoms of eachelement are in the compound, and therefore what its ...

1.9 CHAPTER 1. ATOMICCOMBINATIONS Step 3 : Write the chemical formula The chemical formula for magnesium oxide is therefore: MgO ...

CHAPTER 1. ATOMICCOMBINATIONS 1.9 Name of compound ion formula Carbonate CO^23 − Sulfate SO^24 − Hydroxide OH− Ammonium NH+ 4 Ni ...

1.9 CHAPTER 1. ATOMICCOMBINATIONS QUESTION Write the chemical formula for sodium sulfate. SOLUTION Step 1 : Write down the ions ...

CHAPTER 1. ATOMICCOMBINATIONS 1.10 Copy and complete the table below: Compound Cation Anion Formula Na+ Cl− potassium bromide ...

1.10 CHAPTER 1. ATOMICCOMBINATIONS VSEPR theory is based on the idea that the geometry of a molecule is mostly determined by rep ...