1. Periodic Table Review
1. Atoms in GROUPS/FAMILIES have similar ______________________.
A. Atomic numbers
B. Masses
C. Properties
D. Numbers of energy shells
Properties

2. Periodic Table Review
2. Atoms next to each other in a PERIOD will be more similar in _____________ or proton number than anything else.
MASS

3. Periodic Table Review
3. Atomic number ______________________as you move across a period from left to right.
INCREASES

4. Periodic Table Review
An element’s identity is determined by the number of ______________________in the nucleus.
PROTONS

5. Periodic Table Review
On the Periodic Table, metals are found on the ______________________of the zig-zag line.
LEFT

6. Periodic Table Review
6. On the Periodic Table, non-metals are found on the ______________________of the zig-zag line.
RIGHT

7. Periodic Table Review
On the Periodic Table, where are the metalloids found in relation to the zig-zag line? ______________________
TOUCHING, ADJACENT

8. Periodic Table Review
Which family (give the number and the name)is made up entirely of gases____________________?
18, NOBLE GASES

9. Periodic Table Review
Which family/group is non-reactive (does not combine with any other elements?)_______________
NOBLE GASES

10. Periodic Table Review
Which family/group number contains the MOST REACTIVE METALS? ______________________.
GROUP 1

11. Periodic Table Review
Which family/group number contains the MOST REACTIVE NON-METALS? ______________________.
GROUP 17, HALOGENS

12. Periodic Table Review
12. Families/Groups are found in ______________ (vertical or horizontal?) columns on the Periodic Table.
VERTICAL (UP AND DOWN)

13. Periodic Table Review
13. Periods are found in (vertical or horizontal?) ______________________ rows across the Periodic Table.
HORIZONTAL/SIDE TO SIDE

14. Periodic Table Review
Valence electrons are located on the ___________________ energy level.
OUTERMOST

15. Periodic Table Review
The group numbers at the top of each vertical column are clues to the number of Valence electrons. Family 1 all have ___ valence electron, while family 2 all have ____ valence electrons.

16. Periodic Table Review
In groups 13-18, you subtract ___ from the family number to find the number of valence electrons. Or just use the A numbers at the top of the group! 10

17. Periodic Table Review
Valence electrons determine which elements an atom will combine with, and how easily they will combine. This is known as an element’s ______.
REACTIVITY

18. Periodic Table Review
As you move down the Periodic Table from top to bottom, one TREND is that atoms increase in____________________.
ATOMIC NUMBER

19. Periodic Table Review
Atoms can only hold _____ electrons in their first shell. 2

20. Periodic Table Review
The mass number of an atom is the number of Protons + ______________________.
NEUTRONS

21. Periodic Table Review
The mass of the atom is found by adding ONLY the particles in the ______________________.
NUCLEUS

22. Periodic Table Review
Remember that in a model, the number of protons neutrons in the nucleus will add up to the same mass number (rounded to the nearest whole number) found in the atom’s square on the periodic table.
SO… What is the atomic mass of Sodium (Na) on the periodic table _____________ 23

23. Periodic Table Review
How many protons does sodium have, based on its atomic number? ______________________. 11

24. Periodic Table Review
How many neutrons does an atom of sodium have? (subtract the number of protons from the atomic mass [rounded] on the chart)_________________ 12

25. An atom has 3 protons.
What element is it?_______________.
What family is it in? ____
What period is it in? ____
How many Valence electrons?___
How many energy levels?
Li, 1, 2, 1, 2

26. Periodic Table Review An atom has 18 protons.
What element is it? ______________________.
What group is it in?____
What period is it in?____
How many valence electrons?__
How many energy levels?
Argon, 18, 3, 8, 3

27. Periodic Table Review
Elements with SIMILAR PROPERTIES will be found in the SAME ______________________.
GROUP/FAMILY

28. Periodic Table Review
Complete the Venn Diagram below by putting the number for each element into the correct place in the Venn Diagram.
atomic number
atomic mass
Number of energy levels
Number of valence electrons
Potassium
Arsenic

29. Periodic Table Review
29. Test Hint: Read ALL information in charts, paragraphs and diagrams BEFORE trying to answer a question. Read the question first, then review ALL the information. Don’t just select an answer based on the first matching word you see!!!!!! ______________________.