A) 14.28g/cm3 B) 0.014g C) 0.014 g/cm3 D) 14,000 g/cm3
A) very close together and freely moving B) very far apart and feely moving C) somewhat spread apart with little movement D) somewhat spread apart with almost not movement
A) atom with different number of energy levels B) atom with different number of neutrons C) atom with different number of electrons D) atom with different number of protons
A) 3d B) 4p C) 4d D) 5s
A) Na B) S C) Si
A) aluminum B) nitrogen C) magnesium D) oxygen
A) 2.05x1024atoms B) 2.05atoms C) 18.3atoms D) 0.56x10-24atoms
A) 2.70mol B) 185.92mol C) 0.37mol D) 36.4x1023 mol
A) 0.041grams B) 117grams C) 222grams D) 24.67grams
A) AlCl3 B) Al2Cl3 C) Al2Cl D) AlCl2
A) combustion B) composition C) decomposition D) single-replacement
A) double-replacement B) single-replacement C) composition D) combustion
A) balanced B) __,3,__,3 C) 3,__,__,3 D) __,3,3,__
A) coefficients B) reactants C) subscripts D) products
A) 138.7grams B) 52.0grams 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 g/mol B) 76 g/mol C) 76 amu D) 120 amu
A) 2% B) 89% C) 11% D) 20%
A) 36 amu B) 74 amu C) 36 g/mol D) 74 g/mol
A) decomposition B) synthesis C) single-displacement D) double-displacement E) combustion
A) decompostion B) single-displacement C) combustion D) double-displacement E) synthesis
A) decompostion B) double-displacement C) synthesis D) combustion E) single-displacement
A) synthesis B) decomposition C) single-displacement D) double-displacement E) combustion
A) combustion B) decomposition C) synthesis D) double-displacement E) single-displacement
A) oC B) K C) atm D) L
A) K B) L C) atm D) torr
A) 0.047cm3 B) 0.001cm3 C) 13976cm3 D) 395cm3
A) 1200mmHg B) 805mmHg C) 1071mmHg D) 706mmHg
A) 105.3K B) 581K C) 303K D) 855K
A) 352K B) 206K C) 500K D) 421K
A) 15atm B) 18.9atm C) 32atm D) 49atm
A) Divide by 273 B) Add 273 C) Subtract 273 D) Multiply by 273
A) 760 torr B) 101.325kPa C) All of these D) 1atm
A) L B) Two of the above C) K D) oC
A) research B) organizing data C) experimentation D) communicating results
A) water B) growth C) sunlight D) music
A) music B) sunlight C) growth D) water
A) 0.86 B) 860 C) 8.6 D) 86000
A) element B) homegeneous mixture C) compound D) heterogeneous mixture
A) air B) salt water C) hydrogen D) two of these
A) combine to form new substances B) none of these C) are hard to pick out D) maintain seperate identities
A) chemical property B) physical property
A) chemical property B) physical property
A) physical change B) chemical change
A) physical change B) chemical change
A) noble gases B) alkali metals C) halogens D) transition metals
A) by date of discovery B) by atomic mass C) by atomic number D) alphabetically
A) Thomson B) Millikan C) Rutherford
A) Thomson B) Rutherford C) Millikan
A) 7 B) 9 C) 6 D) 8
A) it depends on the mass B) 6.02x1023 C) Not enough information
A) 1s22s22p6 B) 1s22s22p5 C) 1s12s12p6 D) 1s12s22p5
A) [Kr]5s2 B) [Ar]5s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Ar] 4s2
A) decreases B) increases
A) increases B) decreases
A) 6 B) 4 C) 12 D) 3
A) special B) ionic C) metallic D) covalent
A) metallic B) special C) covalent D) ionic
A) Mg2S B) MgS4 C) MgS2 D) MgS
A) CCl B) CCl2 C) CCl4 D) CCl3
A) iron (IV) chloride B) iron dichloride C) iron chloride D) iron (II) chloride
A) nitrogen hexachloride B) trinitrogen hexachloride C) nitrogen chloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares 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) 3,__,__,3 B) __,3,__,3 C) __,__,__,__ D) __,3,3,__
A) 2,__,2,__ B) __2,2,__ C) __,__,__,__ D) __,2,__,2
A) dividers B) subscripts C) coefficients D) multipliers
A) nonmetals B) metals C) metalloids
A) total electrons B) valence electrons C) total neutrons D) total protons
A) CrCl2 B) Cr2Cl C) CrCl D) Cr2Cl2
A) HF B) NaCl C) HCl D) NaOH
A) 0g B) 50 C) 25 D) 12.5g
A) bases B) acids C) neutral
A) ... B) ... C) Ms. Watson |