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