Unit 2 Standards Review
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by Edith White
| 9 Questions
Note from the author:
Periodic Table Standards from NYS standards
Functionalized Placeholder
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2
3
4
5
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9
1
1 pt
Which substance cannot be broken down by chemical change?
ammonia
ethanol
tungsten
water
2
1 pt
Which list represents the classification of the elements nitrogen, neon, magnesium, and silicon, respectively?
metal, nonmetal, noble gas, metalloid
nonmetal, noble gas, metal, metalloid
nonmetal, metalloid, noble gas, metal
noble gas, metal, metalloid, nonmetal
3
1 pt
At STP, which physical property of aluminum always remains the same from sample to sample?
mass
density
length
volume
4
1 pt
Which of the following describes a chemical property of the element sodium?
soft, silver colored metal
melts at 371K
oxidizes easily in air
density of 0.97g/cm3
5
1 pt
The elements in Period 4 on the Periodic Table are arranged in order of increasing
atomic radius
atomic number
number of valence electrons
number of occupied shells of electrons
6
1 pt
The elements in Group 2 have similar chemical properties because each atom of these elements has the same
atomic number
mass number
number of electron shells
number of valence electrons
7
1 pt
Which trend is observed as the first four elements are considered in order of increasing atomic number?
electronegativity increases
first ionization energy decreases
the number of valence electrons increases
the number of electron shells decreases
8
1 pt
Which general trends in atomic radius and electronegativity are observed as the elements in Period 3 are considered in order of increasing atomic number?
atomic radius decreases and electronegativity increases
atomic radius increases and electronegativity decreases
both atomic radius and electronegativity increase
both atomic radius and electronegativity decrease
9
1 pt
Which phrase describes two forms of solid carbon, diamond and graphite at STP?
sam crystal structure and same properties
same crystal structure and different properties
different crystal structures and the same properties
different crystal structures and different properties
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