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