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