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