A) 14.28g/cm3 B) 0.014 g/cm3 C) 14,000 g/cm3 D) 0.014g
A) very close together and freely moving B) very far apart and feely moving C) somewhat spread apart with little movement D) somewhat spread apart with almost not movement
A) atom with different number of electrons B) atom with different number of energy levels C) atom with different number of protons D) atom with different number of neutrons
A) 3d B) 4d C) 5s D) 4p
A) Na B) S C) Si
A) oxygen B) magnesium C) nitrogen D) aluminum
A) 2.05atoms B) 18.3atoms C) 0.56x10-24atoms D) 2.05x1024atoms
A) 0.37mol B) 185.92mol C) 2.70mol D) 36.4x1023 mol
A) 0.041grams B) 222grams C) 117grams D) 24.67grams
A) Al2Cl3 B) Al2Cl C) AlCl3 D) AlCl2
A) composition B) decomposition C) combustion D) single-replacement
A) single-replacement B) combustion C) composition D) double-replacement
A) __,3,__,3 B) balanced C) 3,__,__,3 D) __,3,3,__
A) coefficients B) products C) reactants D) subscripts
A) 65.6grams B) 39.6grams C) 138.7grams D) 52.0grams
A) Li=+1 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-1 D) Li=+2 O=-2
A) 76 amu B) 76 g/mol C) 120 amu D) 120 g/mol
A) 20% B) 11% C) 89% D) 2%
A) 36 amu B) 74 amu C) 36 g/mol D) 74 g/mol
A) synthesis B) single-displacement C) combustion D) decomposition E) double-displacement
A) double-displacement B) single-displacement C) decompostion D) synthesis E) combustion
A) synthesis B) single-displacement C) double-displacement D) combustion E) decompostion
A) double-displacement B) synthesis C) combustion D) decomposition E) single-displacement
A) combustion B) synthesis C) double-displacement D) decomposition E) single-displacement
A) atm B) K C) L D) oC
A) atm B) L C) torr D) K
A) 395cm3 B) 0.047cm3 C) 13976cm3 D) 0.001cm3
A) 1071mmHg B) 706mmHg C) 805mmHg D) 1200mmHg
A) 303K B) 855K C) 581K D) 105.3K
A) 206K B) 500K C) 352K D) 421K
A) 49atm B) 15atm C) 18.9atm D) 32atm
A) Add 273 B) Subtract 273 C) Divide by 273 D) Multiply by 273
A) 1atm B) All of these C) 101.325kPa D) 760 torr
A) K B) L C) Two of the above D) oC
A) experimentation B) organizing data C) communicating results D) research
A) music B) growth C) water D) sunlight
A) growth B) sunlight C) music D) water
A) 86000 B) 0.86 C) 8.6 D) 860
A) compound B) heterogeneous mixture C) homegeneous mixture D) element
A) air B) salt water C) two of these D) hydrogen
A) are hard to pick out B) combine to form new substances C) none of these D) maintain seperate identities
A) physical property B) chemical property
A) chemical property B) physical property
A) physical change B) chemical change
A) physical change B) chemical change
A) alkali metals B) halogens C) transition metals D) noble gases
A) by date of discovery B) by atomic number C) alphabetically D) by atomic mass
A) Thomson B) Millikan C) Rutherford
A) Millikan B) Thomson C) Rutherford
A) 7 B) 6 C) 8 D) 9
A) Not enough information B) 6.02x1023 C) it depends on the mass
A) 1s12s12p6 B) 1s22s22p6 C) 1s22s22p5 D) 1s12s22p5
A) [Ar]5s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Kr]5s2 D) [Ar] 4s2
A) decreases B) increases
A) increases B) decreases
A) 6 B) 3 C) 4 D) 12
A) ionic B) covalent C) special D) metallic
A) metallic B) covalent C) special D) ionic
A) Mg2S B) MgS C) MgS4 D) MgS2
A) CCl3 B) CCl2 C) CCl4 D) CCl
A) iron (II) chloride B) iron (IV) chloride C) iron chloride D) iron dichloride
A) trinitrogen hexachloride B) nitrogen hexachloride C) nitrogen (III)chloride D) nitrogen chloride
A) donates/accepts electrons B) shares electrons
A) number of atoms B) charge C) how much it weighs D) nothing
A) transition metals B) groups 1A,2A,3A and 4A C) two of these D) 4A
A) __,3,3,__ B) __,__,__,__ C) 3,__,__,3 D) __,3,__,3
A) __,2,__,2 B) __2,2,__ C) 2,__,2,__ D) __,__,__,__
A) subscripts B) coefficients C) multipliers D) dividers
A) metalloids B) metals C) nonmetals
A) valence electrons B) total protons C) total neutrons D) total electrons
A) CrCl2 B) Cr2Cl C) CrCl D) Cr2Cl2
A) HCl B) HF C) NaCl D) NaOH
A) 50 B) 12.5g C) 0g D) 25
A) bases B) acids C) neutral
A) ... B) ... C) Ms. Watson |