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