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