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