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