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