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