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