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- 1. Fill in the Blank
Each row in the periodic table is called a _____.
- 2. Fill in the Blank
Each column on the periodic table is called a _____.
- 3. Multiple Choice
An element's electron configuration determines its chemical properties. Elements in the same group have similar chemical properties. This pattern of repeating properties is called the _____.
Bohr model
atomic mass
periodic law
atomic mass unit
- 4. Multiple Choice
Simply put, atomic mass is ...
the weighted average atomic number for all isotopes of an element
the weighted average mass number for all isotopes of an element
the sum of mass numbers for all isotopes of an element
the sum of atomic numbers for all isotopes of an element
- 5. Multiple Choice
The majority of the elements on the periodic table are classified as _____.
metals
nonmetals
metalloids
gases
- 6. Fill in the Blank
_____ are poor conductors of heat and electric current. (element type)
- 7. Multiple Choice
Elements with properties that fall between those of metals and nonmetals are called _____.
gases
solutions
inert
metalloids
- 8. Multiple Choice
As you move from left to right across a period, element properties become...
more metallic
less nonmetallic
less metallic
more reactive
m
- 9. Multiple Choice
Scientists use atomic mass units (amu) to compare the masses of atoms. An atomic mass unit is equal to
1/12th the mass of a carbon-12 atom
the mass the nucleus of a carbon-12 atom
the mass of a helium atom
the atomic number of carbon
- 10. Multiple Choice
In the modern periodic table, elements are arranged by increasing _____.
atomic mass
atomic number
mass number
density
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