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