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