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