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