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