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