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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
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what is the quantity 0.0075 meters expressed in centimeters?
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0.75 cm
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a train travels at a speed of 30 miles per hour ic 1 mile=1.6 kilometers how fast is the train traveling in kilometer per minute?
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0.8 km/min
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what is the volume of 80.0 g of ether if the density is 0.70 g/mL?
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1.1×10^2
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whag is the volume of 45.6 g of silver if the density of silver is 10.5 g/mL?
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4.34 mL
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what is the maximum number of f orbitals in any single energy level in an atom?
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7
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what is the maximum number of orbitals in the p sublevel?
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3
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according to the aufbau principle
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electrons enter orbitals of lowest energy first
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e e o o l e f
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what type of ions have names ending in -ide?
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only anions
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o a
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when group 2a elements form ions they
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lose two electrons
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l t e
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whag is the correct name for the N3- ion?
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nitride ion
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n i
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aluminium is a group 3a metal which ions does a1 typically form?
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a3+
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in which of the following afe the symbol and name for the ion given correctly?
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Fe2 : ferrous ion ; Fe3+ : ferric ion
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the nonmetals in group 6a and 7a _____
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have a numerical charge that is found by subtracting 8 from the group number
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whichbof the following shows correctly an ion pair and the ionic compound the two ions form?
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Fe3+, O2-; Fe2 O3
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a vapir is which state of matter?
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gas
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g
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which state of matter has a definite volume and takes the shape of its container?
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liquid
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l
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which of the following is a physical change?
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evaporation
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e
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which of the following is a heterogeneous mixture?
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soil
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s
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which of the following is a homogenous mixture?
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salt water
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s w
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the chemical symbol for ion is
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Fe
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f
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