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