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) somewhat spread apart with almost not movement C) very far apart and feely moving D) very close together and freely moving
A) atom with different number of energy levels B) atom with different number of protons C) atom with different number of neutrons D) atom with different number of electrons
A) 4d B) 5s C) 4p D) 3d
A) Si B) S C) Na
A) oxygen B) aluminum C) nitrogen D) magnesium
A) 0.56x10-24atoms B) 18.3atoms C) 2.05x1024atoms D) 2.05atoms
A) 36.4x1023 mol B) 185.92mol C) 0.37mol D) 2.70mol
A) 24.67grams B) 117grams C) 0.041grams D) 222grams
A) AlCl3 B) Al2Cl C) Al2Cl3 D) AlCl2
A) combustion B) single-replacement C) decomposition D) composition
A) double-replacement B) combustion C) single-replacement D) composition
A) __,3,__,3 B) balanced C) 3,__,__,3 D) __,3,3,__
A) reactants B) subscripts C) products D) coefficients
A) 138.7grams B) 52.0grams C) 39.6grams D) 65.6grams
A) Li=+1 O=-2 B) Li=+2 O=-1 C) Li=+2 O=-2 D) Li=+1 O=-1
A) 120 g/mol B) 120 amu C) 76 amu D) 76 g/mol
A) 20% B) 11% C) 89% D) 2%
A) 74 amu B) 36 amu C) 74 g/mol D) 36 g/mol
A) decomposition B) single-displacement C) synthesis D) combustion E) double-displacement
A) decompostion B) combustion C) double-displacement D) synthesis E) single-displacement
A) decompostion B) synthesis C) single-displacement D) double-displacement E) combustion
A) decomposition B) synthesis C) single-displacement D) combustion E) double-displacement
A) single-displacement B) double-displacement C) synthesis D) combustion E) decomposition
A) L B) atm C) oC D) K
A) torr B) L C) atm D) K
A) 0.001cm3 B) 13976cm3 C) 0.047cm3 D) 395cm3
A) 1071mmHg B) 1200mmHg C) 706mmHg D) 805mmHg
A) 581K B) 105.3K C) 855K D) 303K
A) 206K B) 500K C) 352K D) 421K
A) 49atm B) 32atm C) 15atm D) 18.9atm
A) Add 273 B) Subtract 273 C) Multiply by 273 D) Divide by 273
A) 101.325kPa B) 760 torr C) All of these D) 1atm
A) Two of the above B) K C) L D) oC
A) research B) organizing data C) experimentation D) communicating results
A) sunlight B) water C) music D) growth
A) music B) growth C) water D) sunlight
A) 86000 B) 0.86 C) 8.6 D) 860
A) element B) homegeneous mixture C) heterogeneous mixture D) compound
A) hydrogen B) salt water C) air D) two of these
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) transition metals B) alkali metals C) noble gases D) halogens
A) by atomic mass B) alphabetically C) by atomic number D) by date of discovery
A) Millikan B) Thomson C) Rutherford
A) Rutherford B) Thomson C) Millikan
A) 8 B) 6 C) 7 D) 9
A) 6.02x1023 B) it depends on the mass C) Not enough information
A) 1s12s22p5 B) 1s12s12p6 C) 1s22s22p5 D) 1s22s22p6
A) [Kr]5s2 B) [Ar]5s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Ar] 4s2
A) decreases B) increases
A) decreases B) increases
A) 6 B) 12 C) 4 D) 3
A) special B) ionic C) covalent D) metallic
A) special B) ionic C) covalent D) metallic
A) MgS4 B) MgS C) MgS2 D) Mg2S
A) CCl3 B) CCl2 C) CCl D) CCl4
A) iron chloride B) iron dichloride C) iron (II) chloride D) iron (IV) chloride
A) trinitrogen hexachloride B) nitrogen (III)chloride C) nitrogen chloride D) nitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) charge B) how much it weighs C) nothing D) number of atoms
A) groups 1A,2A,3A and 4A B) transition metals C) 4A D) two of these
A) __,3,__,3 B) 3,__,__,3 C) __,3,3,__ D) __,__,__,__
A) __,2,__,2 B) 2,__,2,__ C) __2,2,__ D) __,__,__,__
A) dividers B) multipliers C) subscripts D) coefficients
A) metalloids B) metals C) nonmetals
A) valence electrons B) total electrons C) total neutrons D) total protons
A) Cr2Cl B) CrCl2 C) CrCl D) Cr2Cl2
A) NaOH B) NaCl C) HCl D) HF
A) 0g B) 12.5g C) 50 D) 25
A) bases B) neutral C) acids
A) ... B) ... C) Ms. Watson |