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