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