Significant Figures
How many significant figures are in the number 10?
1
What is the formula for density?
D=M/V
Write out the LONG term configuration for Oxygen.
1s22s22p4
Write the orbital diagram notation for Beryllium.
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Which atom has a LARGER atomic radius?
B or Al
Al
How many significant figures are in the number 3.02?
3
What is the density for liquid that has a mass of 2 grams and a volume 2 mL?
** UNITS REQUIRED
1 g/mL
Write the short term configuration for the element Oxygen.
Write the orbital diagram notation for the element Oxygen.
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Which has a smaller atomic radius?
S or O
O
How many significant figures are in the number 1.0021?
5
What is the density of a liquid with a mass of 4.6 grams and a volume of 9.26 cm3?
.497 g/cm3
Write the LONG term configuration for the element Titanium.
1s22s22p63s33p64s23d2
Write the Orbital Diagram Notation for Sodium.
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Which has a larger atomic radius?
Sr or Br?
Sr
What is the rule for multiplying and diving numbers with significant figures?
Least # of significant figures
What is the mass of a liquid with a volume of 5.0 mL and a density of 2.5 g/mL?
12.5 grams
Write the short term configuration for the element Vandium.
[Ar] 4s23d3
Write the orbital diagram notation for the element Titanium.
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Arrange the following groups of elements in order of increasing size:
Ca, Sr, Mg
Mg, Ca, Sr
What is the rule for adding and subtracting significant figures?
Least # of decimal places
What is the volume of a liquid with a density of 2.47 g/cm3 and a mass of 6.36 grams?
*** UNITS REQUIRED
2.57 cm3
Write the LONG term configuration for the element Bromine.
1s22s22p63s23p64s23d104p5
Write the orbital notation for the element Cobalt?
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Arrange the following groups of elements in order of decreasing size:
Se, Sc, Zn
Sc, Zn, Se