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