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