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Sig Fig / Conversitons
Elements/ Classifications
Electron Config
Periodic Trends
Bonus
100
To what decimal place should you read a 10 ml graduated cylinder that is only marked by ml.
What is 10's ex. 4.1
100
Which of the following symbols do not correspond with the element name given? Al, aluminum. Hg, mercury. Ag, silver. K, krypton
What is K, krypton
100
How many unpaired electrons does a P atom have?
What is 3.
100
What is the predicted charge on the ion formed by sulfur
What is -2
100
The element bromine belongs to which family
What is halogens
200
Convert 5.07 x 10^-4 kg/m^3 to mg/in^3.
What is 8.31 x 10^-3 mg/in^3
200
Pure water is an example of... a. a homogenous mixture b. a hetergeneous mixture c. an element d. a compound
What is d. a compound
200
What is the electron configuration for the Sn atom (Z=50)?
What is [Kr] 5s^2 4d^10 5p^2
200
Determine the number of protons, electrons, and neutrons an atom of 127Te
What is protons 52, electrons 52, neutrons 75.
200
Which element would you predict to behave most similar to Mg? Na, Ba, P, Br, Xe.
What is Ba
300
How many sig figs should you report for the following calculation? (100.48 - 0.591) + 4.1126
What is 4
300
Which of the following statements are true? a. All elements are comprised of tiny, indestructible particles called atoms. b. Atoms combine in simple, whole-number ratios to form compounds. c. All atoms of a single element have the same number of protons and neutrons. d. Neutrons are positively charged.
What is b.Atoms combine in simple, whole-number ratios to form compounds.
300
The electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 represents which ion? Al^3+ , Ar , Br^-1 , Mg^2+ , Ca^2+
What is Ca^2+
300
Place the following atoms in order of decreasing size. Ba, Cl, S.
What is Ba>S>Cl
300
Convert 36.47 g/cm^3 into units of mg/L
What is 3.647 x 10^7 mg/L
400
Mercury is a liquid at room temperature and has a density of 13.5 g/cm^3. What is the volume, in L, of a 1.88 kg sample of mercury
What is 0.139 L
400
Which of the following statements are TRUE? a. Ions are neutral. b. Ions are formed when an atom loses or gains protons. c. The atomic number of an atom is equal to its atomic mass. d. All isotopes of an element have the same number of protons.
What is d. All isotopes of an element have the same number of protons.
400
How many valence electrons does an atom of Ba have
What is 2 valence electrons
400
Which of the following elements is a member of the alkaline earth metals group? Ba, B, Br, Rb, Rn
What is Ba
400
Place the following elements in order of increasing ionzation energy O, Rb, I
What is Rb<I<O
500
I want to go to the Spam Museum in Austin, MN, which is 100.0 miles away the gas station near my house sells gasoline for $3.59 per gallon. If my car gets mileage of 15.9 km/L, how much money will i spend on gas to drive to the museum?
What is $9.60
500
The fictional element gosselin (Gn) has only two isotopes: Gn-43 has a mass of 43.2283 amu and an abundance of 64.71%, and Gn-42 has a mass of 41.9889 amu and an abundance of 35.29% determine the atomic mass of element Gn.
What is 42.7909 amu
500
Determine the ground state electron configuration for the Se ion (z=34)
What is [Ar] 4s^2 3d^10 4p^6
500
Place the following elements in order of decreasing atomic size. P, S, K.
What is K>P>S
500
How many electrons can a 4d subshell hold?
What is 10 electrons