Year 11 facts to know
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Last updated 9 months ago
7 questions
1
Which of the following is the approximate size of a nucleus? (1 Point)
Which of the following is the approximate size of a nucleus? (1 Point)
1
Which of the following is the approximate size of a nanoparticle? (1 Point)
Which of the following is the approximate size of a nanoparticle? (1 Point)
1
Which of the following is the approximate size of an atom? (1 Point)
Which of the following is the approximate size of an atom? (1 Point)
1
How many moles of carbon are there in 12g of carbon? (1 Point)
How many moles of carbon are there in 12g of carbon? (1 Point)
1
How many carbon atoms are there in 12g of carbon?
How many carbon atoms are there in 12g of carbon?
1
How many carbon atoms are there in 22g of carbon dioxide?
How many carbon atoms are there in 22g of carbon dioxide?
1
If a hydrocarbon has a molecular mass of 42 and an empirical formula of CH₂, what is the molecular formula of the compound?
If a hydrocarbon has a molecular mass of 42 and an empirical formula of CH₂, what is the molecular formula of the compound?