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