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