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