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