Question | Answer |
Group A elements are called | Representative elements |
Group B elements are called | Transition elements |
Columns in the periodic table are called | Groups or Family |
How is the energy level of an element's valence electrons related to its period on the periodic table? | The energy level of an element's valence electrons is equal to the element's period number. |
This element has 4 protons. | Beryllium (Be) |
If an element's electrons form the pattern 2,8,6, then the element the element is | Sulfer |
A row on the periodic table is called | Period |
Elements to the left of the zigzag line are called | metals |
Elements to the right of the zigzag line are called | Non metals |
Elements touching the zigzag line are called | metalloids |
Elements on the periodic table are arranged in order of increasing | Atomic Number |
An element with 7 valence electrons is in | Group 7A |
Is Cobalt a transition or representative element? | representative element |
This element is the only metal touching the zigzag line | Aluminum |
Name the element has 5 energy shells and 2 valence electrons. | Strontium |
What is the only nonmetal to the left of the zigzag line? | Hydrogen |
Name the only element that normally does not have any neutrons. | Hydrogen |
Name the element whose neutral atom has 34 electrons. | Selenium |
A material that is used to keep your house warm would be made of elements that are classified as ______________ | non metal |
A material is used to conduct electricity would be made of elements that are classified as ____________ | metal |
Germanium is an element that conducts electricity only under certain conditions, therefore it is a | metalloid |
True or False
Calcium is a metal. If false, what is Calcium's classification? | True |
True or False
If an element's electron configuration has electrons in its energy shells as 2,8,3 then it is Boron. If false. what element is it | False |
True or False
The element in period 3, Group 3A is Gallium. If false what element is it? | False
Aluminum |
What element is the noble gas in the 4th period? | Argon |
How many valence electrons does Sn have? | 4 |
How many energy shells does Iodine have? | 5 |
How many valence electrons does Phosphorous have? | 5 |
What element has 5 energy shells occupied and 6 valence electrons? | Antimony (Sb) |
What element has 3 energy shells occupied and 2 valence electrons? | Magnesium (Mg) |
What element has 4 energy shells occupied and 8 valence electrons? | Krypton (Kr) |
What element has 2 energy shells occupied and 7 valence electrons? | Fluorine (F) |
Draw the Lewis dot diagram for Silicon | .
. Si .
. |
Draw the Lewis dot diagram for Nitrogen | .
. N .
.. |
Draw the Lewis dot diagram for Magnesium | .
Mg . |
Draw the Lewis dot diagram for Sulfur | ..
. S .
.. |
Draw the Lewis dot diagram for Chlorine | ..
.Cl..
.. |
Draw the Lewis dot diagram for Rubidium | Rb . |
Draw the Lewis dot diagram for Aluminum | .
. Al . |
Draw the Lewis dot diagram for Carbon | .
. C .
. |