1. How many protons in a hydrogen atom?

Question 1 of 16

2. What is meant by the term molecule?

Question 2 of 16

3. Describe the test for chlorine gas

Question 3 of 16

4. State the mass and charge of a proton

Question 4 of 16

5. In the dot and cross diagram of the outer electrons showing the covalent bonding in a molecule of ethene (C₂H₄), how many electrons should be shown in areas 1, 2, 3, 4, and 5?

Question 5 of 16

6. If a substance has a simple molecular structure, what physical state might it be at room temperature?

Question 6 of 16

7. What colour is anhydrous copper (II) sulfate?

Question 7 of 16

8. Explain how the atoms are held together in a hydrogen bromide molecule

Question 8 of 16

9. On the Periodic Table what is the meaning of the word Period?

Question 9 of 16

10. Where are non-metals found on the periodic table?

Question 10 of 16

11. How many electrons in the outer shell of group 3 elements?

Question 11 of 16

12. Describe the formation of a covalent bond

Question 12 of 16

13. Do larger molecules have higher or lower boiling points than smaller molecules?

Question 13 of 16

14. Which group of atoms has a full outer shell?

Question 14 of 16

15. On the Periodic table what is the meaning of the word Group? What does that tell us about the electron configuration of the atom?

Question 15 of 16

16. Explain, in terms of electrons, why isotopes have the same chemical properties

Question 16 of 16


 

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