PERIODIC TABLE REVIEW

1. True or FalseNonmetals are brittle and do not conduct electricity

True

2. What are the trends of radius:

Left to Right

Decrease

Top to bottomIncrease

3. What are the trends of Ionization Energy:

Left to Right

Increase

Top to bottomDecrease

4. Which element has the larger radius? Ca or Ra

Ra (Radium)

5. What is the oxidation number of the halogen family?

-1

6. What element has the higher ionization energy? Cs or Rn

Rn (radon)

7. Which family can be found as elements in nature?

Noble gases

8. What family contains radioactive elements?

Actinoids

9. What is the name given to the elements that can behave like a metal or a nonmetal depending on the conditions?

metalloids

10. Name the Metalloids

Boron, Silicon, Germanium, Arsenic, Antimony and Tellurium

11. Dobereiner grouped ____ elements together and called them ________

Threes Triads

12. The modern periodic table is arranged by what property?

Atomic Number

(new periodic law)

13. What metallic family follows the transition metals on the periodic table?

Post transition metals

14. What is the most metallic element on the periodic table?

Francium

15. What is the most reactive metallic family on the periodic table?

Alkali metals

16. Which element has the smaller radius? Be or Ba

Be (beryllium)

17. John Newlands discovered that chemical and physical properties repeated every 8 elements. This is called

Law of Octaves

18. What is the most nonmetallic element on the periodic table?

Fluorine

19. What is the energy needed to remove an electron called?

Ionization energy

20. How many valence shell electrons do the alkaline earth metals have?

2

21. Who made the first periodic table?

Mendeleev

22. What is electronegativity and what is the trend from left to right?

Attractiveness - increases

23. Name the 2 elements that are liquid at room temperature?

Mercury (Hg) and Bromine (Br)

24. What is the oxidation # for the “f” block?

+3

25. Are Ca2+ and Ne isoelectronic?

No

Are B3+ and Li+ isoelectronic? Yes

26. What family has all three states of matter?

Halogens

27. Metals make what kind of ions? Do they gain or lose electrons?

Cations – lose electrons

28. Where are the inner transition metals on the periodic table?

4f Lanthanoids and 5f Actinoids

29. Which has a larger radius an atom or a cation?

An atom

30. Which has a larger radius an atom or an anion?

An anion