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