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