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