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