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Questions and Answers
Which type of compound involves the sharing of electrons between non-metal ions?
Which type of compound involves the sharing of electrons between non-metal ions?
- Diatomic compound
- Ionic compound
- Covalent compound (correct)
- Polyatomic compound
What is the key difference between an exothermic and an endothermic reaction?
What is the key difference between an exothermic and an endothermic reaction?
- Exothermic reactions involve the absorption of energy, while endothermic reactions release energy
- Endothermic reactions involve the formation of bonds rather than their breakage
- Endothermic reactions release more energy than exothermic reactions
- In endothermic reactions, more energy is required to break the bonds than is released from bond formation (correct)
Which of the following elements does not form diatomic molecules in their natural state?
Which of the following elements does not form diatomic molecules in their natural state?
- Phosphorus (P) (correct)
- Chlorine (Cl)
- Iodine (I)
- Oxygen (O)
Which property increases the speed of a reaction by providing more collision opportunities for reactant molecules?
Which property increases the speed of a reaction by providing more collision opportunities for reactant molecules?
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What is the characteristic of mass in a chemical reaction?
What is the characteristic of mass in a chemical reaction?
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