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