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