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