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