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