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