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