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