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