We are asked to determine which one is a molecular substance and which one is an ionic substance between TiCl4 and CaF2.
Let’s first define an ionic and molecular bond:
• involves the transferring of an electron from one element to another element
• positively charged ion + negatively charged ion
▪ metal → usually is the positively charged ion (+)
▪ nonmetal → usually is the negatively charged ion (-)
▪ metal(or polyatomic ion) + nonmetal (or polyatomic ion)
Covalent (or Molecular) Bond
• involves the sharing of electron(s) between elements
▪ nonmetal + nonmetal
In the following pair of binary compounds determine which one is a molecular substance and which one is an ionic substance. TiCl4 and CaF2.
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What scientific concept do you need to know in order to solve this problem?
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