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