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