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