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