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