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