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