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