Name:______Date______Period ______

SEMESTER I EXAM STUDY GUIDE

1. Complete the following chart:

Isotope Mass Atomic Number of Number of Number of

Hyphen Notation Notation Number Number Protons Electrons Neutrons

Yttrium-88
Arsenic-75
Xenon-129
Calcium-42
Gold-197
Helium-4
Copper-65
Argon-40
Carbon-14
Oxygen-17

2. Write the ground state electron configuration & orbital notation for each of the following:

Magnesium Oxygen Boron Nickel

3. Complete the following chart:

Radiation Type / Symbol / Mass (amu) / Charge
Alpha
Beta
Gamma

4. If 75% of the isotopes of an element have a mass of 35.0 amu and 25% of the isotopes have a mass of 37.0 amu, what is the atomic mass of the element? SHOW YOUR WORK!

5. An element has two naturally occurring isotopes: 14X and 15X.

14X has a mass of 14.003 07 amu and a relative abundance of 99.63%.

15X has a mass of 15.000 11 amu and a relative abundance of 0.37 % .

Identify the element.

6. What are valence electrons? Explain how to determine the valence electrons from electron configuration notation.

7. Write the electron configuration of a neutral atom in the ground state with a total of

six (6) valence electrons.

8. Which subatomic particle has approximately the same mass as a proton? ______

9. What is the maximum number of electrons in the 2nd Energy Level? ______

What is the maximum number of electrons in the 3rd Energy Level? ______

Using n as the symbol for the Energy Level, write the formula to determine the

maximum number of electrons an Energy Level can hold? ______

10. What is Ionization Energy?

Draw a diagram illustrating the trend in Ionization Energy on the Periodic Table.

11. What is Electronegativity?

Draw a diagram illustrating the trend in Electronegativity on the Periodic Table.

13. Draw a diagram illustrating how the radius of an atom changes across a period on the Periodic Table.

14. What causes emission of radiant Energy that produces characteristic spectral lines?

USE YOUR TEXTBOOK TO FIND ANSWERS TO THE FOLLOWING:

15. What is the most common metal on Earth? ______

16. Which element has 10 allotropes and commonly associated with volcanoes? ______

17. What common metal is found in plant fertilizer? ______

18. What is the most abundant Noble Gas? ______

19. Which alkaline earth metal burns a very bright light? ______

20. Which element is commonly found in matches? ______

21. Which Noble Gas is found on the Sun? ______

22. Name the allotropes of carbon. ______

23. Which halogen is found in antiseptic solutions? ______

24. Identify the soft metal found in alloys of bronze and pewter? ______

25. Name three (3) divisions of the Periodic Table:

______

26. Describe properties of metals.

27. What do metals do with their electrons?

28. Describe properties of non-metals. What do non metals do with electrons?

29. Compare Ionic and Covalent Bonding with respect to:

melting points, hardness, electrical conductivity, & electron function

30. How does electronegativity affect ionic character?

Which bond between which 2 elements is the LEAST ionic in character?

H-F H-I H-Cl H-O

31. Draw Lewis Structures for the following diatomic molecules.

H2, N2, Cl2, O2

32. Draw Lewis Structures for O3 and CH4.

33. Write the correct chemical formula for the following:

Nickel (II) bromide ______

Copper (II) hydroxide ______

Aluminum sulfide ______

Iron (II) bromide ______

Lead (IV) oxide ______

Calcium phosphate ______

Sodium chlorate ______

Ammonium carbonate ______

Iron (II) sulfide ______

34. Balancing Nuclear Equations-Review how to balance.