Chemistry Quiz 8.5C & 8.5D
Con il contributo di:
Sweek
- 1. The vertical columns on the periodic table are called
A) Groups/families
B) Periods
- 2. The horizontal rows on the periodic table are called
A) Groups/families
B) Periods
- 3. The elements that touch the zigzag line are classified as
A) metalloids
B) non-metals
C) metals
- 4. Elements which have properties of both metals and nonmetals are called
A) metalloids
B) non-metals
C) metals
- 5. Elements in the first group are extremely reactive. They are called
A) alkali metals
B) transition metals
C) noble gases
- 6. Elements in group 18 are very unreactive. They are said to be “inert”. We call these the
A) alkaline earth metals
B) transition metals
C) noble gases
- 7. The elements at the bottom of the table were pulled out to keep the table from becoming too long. The first period at the bottom called the
A) actinides
B) lanthanides
- 8. The second period at the bottom of the table is called the
A) actinides
B) lanthanides
- 9. Major group of elements which are shiny, malleable and good conductors of electricity are called
A) non-metals
B) metals
C) metalloids
- 10. The Periodic Table is organized in order of increasing
A) density
B) atomic number
- 11. The amount of molecules in a chemical formula is identified by a
A) Coefficient
B) Subscript
- 12. The specific number of atoms of the element found in the substance is identified by a
A) Subscript
B) Coefficient
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