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