A) 14.28g/cm3 B) 0.014g C) 14,000 g/cm3 D) 0.014 g/cm3
A) somewhat spread apart with little movement B) somewhat spread apart with almost not movement C) very close together and freely moving D) very far apart and feely moving
A) atom with different number of protons B) atom with different number of neutrons C) atom with different number of energy levels D) atom with different number of electrons
A) 3d B) 4d C) 4p D) 5s
A) Si B) S C) Na
A) magnesium B) aluminum C) nitrogen D) oxygen
A) 18.3atoms B) 0.56x10-24atoms C) 2.05x1024atoms D) 2.05atoms
A) 0.37mol B) 36.4x1023 mol C) 185.92mol D) 2.70mol
A) 24.67grams B) 117grams C) 0.041grams D) 222grams
A) AlCl3 B) Al2Cl C) Al2Cl3 D) AlCl2
A) composition B) single-replacement C) combustion D) decomposition
A) double-replacement B) composition C) single-replacement D) combustion
A) __,3,__,3 B) 3,__,__,3 C) __,3,3,__ D) balanced
A) reactants B) products C) coefficients D) subscripts
A) 138.7grams B) 39.6grams C) 65.6grams D) 52.0grams
A) Li=+1 O=-2 B) Li=+2 O=-1 C) Li=+2 O=-2 D) Li=+1 O=-1
A) 120 g/mol B) 76 g/mol C) 76 amu D) 120 amu
A) 11% B) 89% C) 2% D) 20%
A) 74 g/mol B) 74 amu C) 36 g/mol D) 36 amu
A) combustion B) single-displacement C) decomposition D) synthesis E) double-displacement
A) synthesis B) double-displacement C) combustion D) decompostion E) single-displacement
A) decompostion B) single-displacement C) synthesis D) double-displacement E) combustion
A) combustion B) double-displacement C) decomposition D) synthesis E) single-displacement
A) single-displacement B) synthesis C) combustion D) decomposition E) double-displacement
A) K B) L C) atm D) oC
A) K B) L C) torr D) atm
A) 13976cm3 B) 395cm3 C) 0.001cm3 D) 0.047cm3
A) 706mmHg B) 805mmHg C) 1071mmHg D) 1200mmHg
A) 581K B) 303K C) 105.3K D) 855K
A) 421K B) 500K C) 206K D) 352K
A) 15atm B) 32atm C) 18.9atm D) 49atm
A) Subtract 273 B) Add 273 C) Divide by 273 D) Multiply by 273
A) 101.325kPa B) All of these C) 1atm D) 760 torr
A) oC B) L C) Two of the above D) K
A) research B) experimentation C) communicating results D) organizing data
A) sunlight B) music C) growth D) water
A) growth B) music C) sunlight D) water
A) 86000 B) 0.86 C) 860 D) 8.6
A) heterogeneous mixture B) homegeneous mixture C) element D) compound
A) salt water B) two of these C) air D) hydrogen
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) physical change B) chemical change
A) physical change B) chemical change
A) transition metals B) halogens C) noble gases D) alkali metals
A) by atomic mass B) alphabetically C) by date of discovery D) by atomic number
A) Rutherford B) Thomson C) Millikan
A) Thomson B) Rutherford C) Millikan
A) 6 B) 9 C) 7 D) 8
A) 6.02x1023 B) it depends on the mass C) Not enough information
A) 1s22s22p6 B) 1s22s22p5 C) 1s12s12p6 D) 1s12s22p5
A) [Kr]1s22s22p63s23p64s23d104p65s2 B) [Ar]5s2 C) [Ar] 4s2 D) [Kr]5s2
A) increases B) decreases
A) decreases B) increases
A) 3 B) 4 C) 12 D) 6
A) special B) covalent C) metallic D) ionic
A) ionic B) metallic C) special D) covalent
A) MgS4 B) MgS C) Mg2S D) MgS2
A) CCl2 B) CCl4 C) CCl D) CCl3
A) iron chloride B) iron (IV) chloride C) iron (II) chloride D) iron dichloride
A) nitrogen hexachloride B) trinitrogen hexachloride C) nitrogen (III)chloride D) nitrogen chloride
A) donates/accepts electrons B) shares electrons
A) how much it weighs B) nothing C) charge D) number of atoms
A) transition metals B) 4A C) groups 1A,2A,3A and 4A D) two of these
A) __,__,__,__ B) __,3,__,3 C) __,3,3,__ D) 3,__,__,3
A) 2,__,2,__ B) __,__,__,__ C) __2,2,__ D) __,2,__,2
A) coefficients B) multipliers C) subscripts D) dividers
A) metals B) metalloids C) nonmetals
A) total protons B) total electrons C) total neutrons D) valence electrons
A) Cr2Cl B) CrCl C) CrCl2 D) Cr2Cl2
A) NaOH B) HF C) HCl D) NaCl
A) 25 B) 12.5g C) 0g D) 50
A) acids B) bases C) neutral
A) ... B) ... C) Ms. Watson |