A) 14,000 g/cm3 B) 0.014g C) 14.28g/cm3 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 energy levels B) atom with different number of neutrons C) atom with different number of electrons D) atom with different number of protons
A) 5s B) 3d C) 4p D) 4d
A) S B) Si C) Na
A) magnesium B) aluminum C) nitrogen D) oxygen
A) 2.05x1024atoms B) 2.05atoms C) 0.56x10-24atoms D) 18.3atoms
A) 185.92mol B) 0.37mol C) 36.4x1023 mol D) 2.70mol
A) 117grams B) 222grams C) 0.041grams D) 24.67grams
A) Al2Cl B) Al2Cl3 C) AlCl2 D) AlCl3
A) combustion B) single-replacement C) composition D) decomposition
A) single-replacement B) composition C) combustion D) double-replacement
A) 3,__,__,3 B) __,3,__,3 C) __,3,3,__ D) balanced
A) reactants B) products C) coefficients D) subscripts
A) 52.0grams B) 65.6grams C) 39.6grams D) 138.7grams
A) Li=+1 O=-1 B) Li=+1 O=-2 C) Li=+2 O=-2 D) Li=+2 O=-1
A) 120 amu B) 76 amu C) 76 g/mol 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) combustion B) single-displacement C) synthesis D) double-displacement E) decomposition
A) synthesis B) double-displacement C) combustion D) decompostion E) single-displacement
A) combustion B) decompostion C) double-displacement D) single-displacement E) synthesis
A) combustion B) double-displacement C) synthesis D) decomposition E) single-displacement
A) synthesis B) single-displacement C) double-displacement D) combustion E) decomposition
A) oC B) K C) atm D) L
A) K B) torr C) L D) atm
A) 0.047cm3 B) 395cm3 C) 13976cm3 D) 0.001cm3
A) 706mmHg B) 1071mmHg C) 1200mmHg D) 805mmHg
A) 303K B) 105.3K C) 855K D) 581K
A) 421K B) 352K C) 500K D) 206K
A) 49atm B) 32atm C) 18.9atm D) 15atm
A) Divide by 273 B) Multiply by 273 C) Add 273 D) Subtract 273
A) 760 torr B) All of these C) 1atm D) 101.325kPa
A) oC B) K C) L D) Two of the above
A) experimentation B) organizing data C) research D) communicating results
A) sunlight B) music C) water D) growth
A) water B) music C) sunlight D) growth
A) 86000 B) 8.6 C) 0.86 D) 860
A) element B) heterogeneous mixture C) compound D) homegeneous mixture
A) air B) two of these C) salt water D) hydrogen
A) combine to form new substances B) none of these C) are hard to pick out D) maintain seperate identities
A) chemical property B) physical property
A) chemical property B) physical property
A) physical change B) chemical change
A) physical change B) chemical change
A) noble gases B) halogens C) alkali metals D) transition metals
A) by date of discovery B) alphabetically C) by atomic number D) by atomic mass
A) Rutherford B) Millikan C) Thomson
A) Rutherford B) Millikan C) Thomson
A) 8 B) 7 C) 6 D) 9
A) 6.02x1023 B) it depends on the mass C) Not enough information
A) 1s12s12p6 B) 1s12s22p5 C) 1s22s22p6 D) 1s22s22p5
A) [Ar] 4s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Kr]5s2 D) [Ar]5s2
A) decreases B) increases
A) increases B) decreases
A) 6 B) 3 C) 12 D) 4
A) ionic B) special C) metallic D) covalent
A) special B) metallic C) covalent D) ionic
A) Mg2S B) MgS2 C) MgS D) MgS4
A) CCl4 B) CCl C) CCl3 D) CCl2
A) iron dichloride B) iron (II) chloride C) iron chloride D) iron (IV) chloride
A) nitrogen chloride B) nitrogen (III)chloride C) nitrogen hexachloride D) trinitrogen hexachloride
A) donates/accepts electrons B) shares electrons
A) number of atoms B) charge C) how much it weighs 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) __,__,__,__ B) 2,__,2,__ C) __,2,__,2 D) __2,2,__
A) coefficients B) subscripts C) dividers D) multipliers
A) metals B) nonmetals C) metalloids
A) total protons B) valence electrons C) total neutrons D) total electrons
A) CrCl B) CrCl2 C) Cr2Cl2 D) Cr2Cl
A) HF B) NaOH C) NaCl D) HCl
A) 25 B) 50 C) 0g D) 12.5g
A) bases B) neutral C) acids
A) ... B) ... C) Ms. Watson |