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