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