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