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