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