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