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