A) 14,000 g/cm3 B) 0.014 g/cm3 C) 0.014g D) 14.28g/cm3
A) very close together and freely moving B) somewhat spread apart with little movement C) somewhat spread apart with almost not movement D) very far apart and feely moving
A) atom with different number of electrons B) atom with different number of energy levels C) atom with different number of protons D) atom with different number of neutrons
A) 4d B) 3d C) 5s D) 4p
A) Na B) S C) Si
A) nitrogen B) magnesium C) aluminum D) oxygen
A) 2.05atoms B) 0.56x10-24atoms C) 2.05x1024atoms D) 18.3atoms
A) 185.92mol B) 36.4x1023 mol C) 2.70mol D) 0.37mol
A) 117grams B) 222grams C) 24.67grams D) 0.041grams
A) AlCl3 B) AlCl2 C) Al2Cl D) Al2Cl3
A) decomposition B) combustion C) single-replacement D) composition
A) combustion B) single-replacement C) composition D) double-replacement
A) __,3,3,__ B) 3,__,__,3 C) __,3,__,3 D) balanced
A) coefficients B) products C) subscripts D) reactants
A) 52.0grams B) 39.6grams C) 138.7grams D) 65.6grams
A) Li=+2 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-2 D) Li=+1 O=-1
A) 76 g/mol B) 120 amu C) 76 amu D) 120 g/mol
A) 89% B) 2% C) 20% D) 11%
A) 74 amu B) 36 amu C) 36 g/mol D) 74 g/mol
A) decomposition B) synthesis C) double-displacement D) combustion E) single-displacement
A) decompostion B) synthesis C) single-displacement D) double-displacement E) combustion
A) double-displacement B) single-displacement C) combustion D) decompostion E) synthesis
A) synthesis B) double-displacement C) decomposition D) single-displacement E) combustion
A) decomposition B) combustion C) double-displacement D) single-displacement E) synthesis
A) oC B) L C) atm D) K
A) K B) atm C) L D) torr
A) 0.001cm3 B) 13976cm3 C) 0.047cm3 D) 395cm3
A) 1200mmHg B) 805mmHg C) 1071mmHg D) 706mmHg
A) 303K B) 855K C) 581K D) 105.3K
A) 206K B) 352K C) 500K D) 421K
A) 18.9atm B) 32atm C) 49atm D) 15atm
A) Subtract 273 B) Divide by 273 C) Multiply by 273 D) Add 273
A) 760 torr B) 101.325kPa C) 1atm D) All of these
A) K B) Two of the above C) L D) oC
A) experimentation B) research C) communicating results D) organizing data
A) music B) growth C) water D) sunlight
A) music B) water C) sunlight D) growth
A) 860 B) 8.6 C) 0.86 D) 86000
A) heterogeneous mixture B) compound C) element D) homegeneous mixture
A) air B) salt water C) two of these D) hydrogen
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) physical property B) chemical property
A) physical change B) chemical change
A) physical change B) chemical change
A) alkali metals B) noble gases C) transition metals D) halogens
A) by atomic number B) by atomic mass C) alphabetically D) by date of discovery
A) Rutherford B) Millikan C) Thomson
A) Thomson B) Rutherford C) Millikan
A) 9 B) 7 C) 6 D) 8
A) Not enough information B) 6.02x1023 C) it depends on the mass
A) 1s22s22p5 B) 1s12s12p6 C) 1s22s22p6 D) 1s12s22p5
A) [Ar]5s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Kr]5s2 D) [Ar] 4s2
A) decreases B) increases
A) decreases B) increases
A) 3 B) 6 C) 4 D) 12
A) covalent B) metallic C) ionic D) special
A) metallic B) ionic C) special D) covalent
A) Mg2S B) MgS C) MgS4 D) MgS2
A) CCl3 B) CCl C) CCl4 D) CCl2
A) iron chloride B) iron (IV) chloride C) iron dichloride D) iron (II) chloride
A) trinitrogen hexachloride B) nitrogen chloride C) nitrogen hexachloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) number of atoms B) nothing C) charge D) how much it weighs
A) transition metals B) 4A C) groups 1A,2A,3A and 4A D) two of these
A) 3,__,__,3 B) __,__,__,__ C) __,3,3,__ D) __,3,__,3
A) 2,__,2,__ B) __,__,__,__ C) __,2,__,2 D) __2,2,__
A) coefficients B) multipliers C) dividers D) subscripts
A) nonmetals B) metalloids C) metals
A) total protons B) total electrons C) total neutrons D) valence electrons
A) Cr2Cl2 B) CrCl C) Cr2Cl D) CrCl2
A) NaCl B) HF C) NaOH D) HCl
A) 25 B) 12.5g C) 0g D) 50
A) bases B) acids C) neutral
A) ... B) Ms. Watson C) ... |