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