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4. Match the following groups with their descriptions

Column A
1.
Halogens
2.
Alkali Metals
3.
Alkali Earth Metals
4.
Noble Gases
Column B
a. Group number 7, very reactive
b. Group number 1, very reactive
c. Reactive, but not the most reactive
d. Inert. Do not react with anything

5. Two of most unique elements on the periodic table are hydrogen and helium. What makes them so unique and removed from the other groups on the periodic table?

a
Unlike all other elements, hydrogen and helium are gases
b
Unlike all other elements, hydrogen and helium are not considered metals
c
Unlike all other elements, hydrogen and helium only have a maximum of 2 valence electrons
d
Unlike all other elements, hydrogen and helium have very limited properties

6. The periodic table groups elements into which of the following three categories?

a
Solids, Liquids, Gases
b
Heavy, Light, Medium
c
Dense, Expanded, Compressed
d
Metals, Nonmetals, Metalloids

7. A bond between sodium (Na) and chlorine (Cl) is what type of bond?

a
covalent
b
metallic
c
ionic
d
hydrogen

8. Which of the following must happen in order for atoms to bond either ionically or covalently with one another?

a
The valence shells of all atoms must be filled after the bonding occurs
b
The chemical properties of the atoms must be satisfied
c
The ions must have different charges
d
The resulting compound must follow ionic naming conventions

1 answer

Here are the answers for the matching and questions you've presented:

4. Match the following groups with their descriptions

Column A:

  1. Halogens - a. Group number 7, very reactive
  2. Alkali Metals - b. Group number 1, very reactive
  3. Alkali Earth Metals - c. Reactive, but not the most reactive
  4. Noble Gases - d. Inert. Do not react with anything

5. Two of most unique elements on the periodic table are hydrogen and helium. What makes them so unique and removed from the other groups on the periodic table?

  • c. Unlike all other elements, hydrogen and helium only have a maximum of 2 valence electrons

6. The periodic table groups elements into which of the following three categories?

  • d. Metals, Nonmetals, Metalloids

7. A bond between sodium (Na) and chlorine (Cl) is what type of bond?

  • c. ionic

8. Which of the following must happen in order for atoms to bond either ionically or covalently with one another?

  • a. The valence shells of all atoms must be filled after the bonding occurs

Feel free to ask if you have any more questions or need further clarification!