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