A) 0.014g B) 0.014 g/cm3 C) 14.28g/cm3 D) 14,000 g/cm3
A) very close together and freely moving B) somewhat spread apart with little movement C) very far apart and feely moving D) somewhat spread apart with almost not movement
A) atom with different number of protons B) atom with different number of neutrons C) atom with different number of electrons D) atom with different number of energy levels
A) 3d B) 4p C) 5s D) 4d
A) Si B) Na C) S
A) aluminum B) oxygen C) magnesium D) nitrogen
A) 0.56x10-24atoms B) 2.05atoms C) 2.05x1024atoms D) 18.3atoms
A) 2.70mol B) 36.4x1023 mol C) 185.92mol D) 0.37mol
A) 0.041grams B) 117grams C) 222grams D) 24.67grams
A) AlCl2 B) AlCl3 C) Al2Cl D) Al2Cl3
A) single-replacement B) decomposition C) combustion D) composition
A) single-replacement B) composition C) double-replacement D) combustion
A) balanced B) __,3,__,3 C) 3,__,__,3 D) __,3,3,__
A) reactants B) subscripts C) coefficients D) products
A) 39.6grams B) 138.7grams C) 52.0grams 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 g/mol C) 76 amu D) 120 amu
A) 11% B) 20% C) 2% D) 89%
A) 74 amu B) 36 g/mol C) 36 amu D) 74 g/mol
A) decomposition B) single-displacement C) combustion D) synthesis E) double-displacement
A) decompostion B) double-displacement C) combustion D) synthesis E) single-displacement
A) single-displacement B) combustion C) decompostion D) double-displacement E) synthesis
A) combustion B) synthesis C) decomposition D) double-displacement E) single-displacement
A) synthesis B) decomposition C) double-displacement D) combustion E) single-displacement
A) L B) oC C) K D) atm
A) torr B) L C) atm D) K
A) 0.047cm3 B) 13976cm3 C) 0.001cm3 D) 395cm3
A) 805mmHg B) 1071mmHg C) 1200mmHg D) 706mmHg
A) 105.3K B) 303K C) 581K D) 855K
A) 206K B) 352K C) 500K D) 421K
A) 49atm B) 15atm C) 18.9atm D) 32atm
A) Multiply by 273 B) Subtract 273 C) Add 273 D) Divide by 273
A) 760 torr B) 101.325kPa C) All of these D) 1atm
A) Two of the above B) K C) oC D) L
A) organizing data B) experimentation C) communicating results D) research
A) growth B) water C) music D) sunlight
A) growth B) water C) music D) sunlight
A) 86000 B) 8.6 C) 0.86 D) 860
A) element B) heterogeneous mixture C) homegeneous mixture D) compound
A) air B) hydrogen C) two of these 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) chemical change B) physical change
A) physical change B) chemical change
A) halogens B) transition metals C) noble gases D) alkali metals
A) by atomic mass B) alphabetically C) by atomic number D) by date of discovery
A) Thomson B) Rutherford C) Millikan
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) 1s22s22p5 B) 1s12s22p5 C) 1s22s22p6 D) 1s12s12p6
A) [Kr]5s2 B) [Ar]5s2 C) [Ar] 4s2 D) [Kr]1s22s22p63s23p64s23d104p65s2
A) increases B) decreases
A) decreases B) increases
A) 12 B) 6 C) 3 D) 4
A) special B) covalent C) ionic D) metallic
A) covalent B) special C) ionic D) metallic
A) MgS4 B) MgS C) Mg2S D) MgS2
A) CCl4 B) CCl2 C) CCl D) CCl3
A) iron dichloride B) iron (II) chloride C) iron (IV) chloride D) iron chloride
A) trinitrogen hexachloride B) nitrogen hexachloride C) nitrogen (III)chloride D) nitrogen chloride
A) shares electrons B) donates/accepts electrons
A) nothing B) how much it weighs C) charge D) number of atoms
A) groups 1A,2A,3A and 4A B) 4A C) transition metals D) two of these
A) 3,__,__,3 B) __,3,3,__ C) __,3,__,3 D) __,__,__,__
A) __,__,__,__ B) 2,__,2,__ C) __,2,__,2 D) __2,2,__
A) coefficients B) subscripts C) multipliers D) dividers
A) nonmetals B) metalloids C) metals
A) total neutrons B) valence electrons C) total protons D) total electrons
A) CrCl2 B) CrCl C) Cr2Cl D) Cr2Cl2
A) NaCl B) HF C) NaOH D) HCl
A) 50 B) 25 C) 0g D) 12.5g
A) acids B) neutral C) bases
A) ... B) ... C) Ms. Watson |