250 prompts matching "Writing the formula of a compound from valencies"
Calculation practice: A mixed set of SS2 Chemistry calculations
Act as my SS2 Chemistry tutor. Walk me through a mixed set of SS2 Chemistry calculations a
Teach me: The octet rule, and why atoms seek a full outer shell
You are my personal SS2 Chemistry tutor. Teach me the octet rule, and why atoms seek a ful
Teach me: The metallic bond and the delocalised electrons
You are my personal SS2 Chemistry tutor. Teach me the metallic bond and the delocalised el
Real-life Nigeria: Alloys, and the reasons they are made
Act as my SS2 Chemistry tutor. Show me where alloys, and the reasons they are made turns u
Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
Exam practice: Identifying the species oxidised in a reaction
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Assigning an oxidation number without checking the overall charge
Act as my SS2 Chemistry tutor. Show me a worked answer on assigning an oxidation number wi
Calculation practice: Working out the change in oxidation number
Act as my SS2 Chemistry tutor. Walk me through working out the change in oxidation number
Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Exam practice: The common oxidising and reducing agents and their tests
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Calling the oxidising agent the substance that is oxidised
Act as my SS2 Chemistry tutor. Show me a worked answer on calling the oxidising agent the
Exam practice: The reactivity series and how it is established
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Real-life Nigeria: Choosing the right metal for a given Nigerian use
Act as my SS2 Chemistry tutor. Show me where choosing the right metal for a given Nigerian
Real-life Nigeria: Nigeria's metal deposits and their exploitation
Act as my SS2 Chemistry tutor. Show me where Nigeria's metal deposits and their exploitati
Explain back: The allotropes shown by some non-metals
I have just studied the allotropes shown by some non-metals in my SS2 Chemistry class. Let
Real-life Nigeria: The non-metals essential to Nigerian agriculture
Act as my SS2 Chemistry tutor. Show me where the non-metals essential to Nigerian agricult
Chemistry at work: Metalloids, and where they sit between the two
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on metall
Exam practice: The tests that identify the common non-metal gases
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Explain back: Metals and their extraction reviewed
I have just studied metals and their extraction reviewed in my SS2 Chemistry class. Let me
Real-life Nigeria: Linking bonding, structure and properties together
Act as my SS2 Chemistry tutor. Show me where linking bonding, structure and properties tog