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