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