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