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- 1. Multiple Choice
The elements in the modern periodic table is ordered according to:
atomic weight.
chemical and physical properties.
atomic number.
group.
- 2. Multiple Choice
Elements which are in the same horizontal row are said to be in the same:
Group
Period
Block
Family
- 3. Multiple Choice
Elements which are in the same vertical column are said to be in the same:
Group
Period
Block
None of the above.
- 4. Multiple Choice
Elements in group one will have _______ valence electron(s).
1
2
1 or 2
- 5. Multiple Choice
Elements in group 7 will have ______ valence electrons.
10
17
2
7
- 6. Multiple Choice
From L to R on the periodic table, the number of electrons ____.
increases across the period
decreases across the period
increases down the group
decreases down the group
- 7. Multiple ChoiceWhat symbol does H stand for?HydrogenHeliuHefniumMercury
- 8. Multiple ChoiceWhat period is Magnesium (Mg) in?31224.336
- 9. Multiple ChoiceWhat row is Boron (B) is?13210.815
- 10. Multiple ChoiceWhat is the average atomic mass of Oxygen (O)?815.99214.00
- 11. Multiple ChoiceWhat is the period and group of Nitrogen (N)?period 2, group 14period 5, group 2period 3, group 15period 2, group 15
- 12. Multiple Choice
What is the name of this element?
Ag
47
107.868
Silver
- 13. Multiple Choice
What is the atomic number of this element?
Silver
47
Ag
107.868
- 14. Multiple Choice
What is the atomic mass of this element?
47
Ag
Silver
107.868
- 15. Multiple Choice
Elements in the same group or family have the same number of
neutrons
valence electrons
electrons
energy levels
- 16. Multiple ChoiceSodium (Na) is found in period3241
- 17. Multiple ChoiceSodium (Na) is found in group1234
- 18. Multiple ChoiceThe atomic number tells you what? READ THE ANSWERS CAREFULLYonly the number of electronsonly the number of protonsonly the number of neutronsthe number of both electrons and protons in an atom.
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