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