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