A) 0.014 g/cm3 B) 14.28g/cm3 C) 14,000 g/cm3 D) 0.014g
A) very close together and freely moving B) somewhat spread apart with almost not movement C) very far apart and feely moving D) somewhat spread apart with little movement
A) atom with different number of protons B) atom with different number of electrons C) atom with different number of neutrons D) atom with different number of energy levels
A) 5s B) 4d C) 4p D) 3d
A) S B) Si C) Na
A) aluminum B) oxygen C) magnesium D) nitrogen
A) 2.05atoms B) 18.3atoms C) 0.56x10-24atoms D) 2.05x1024atoms
A) 2.70mol B) 0.37mol C) 36.4x1023 mol D) 185.92mol
A) 24.67grams B) 222grams C) 0.041grams D) 117grams
A) Al2Cl B) AlCl3 C) AlCl2 D) Al2Cl3
A) decomposition B) composition C) combustion D) single-replacement
A) single-replacement B) combustion C) double-replacement D) composition
A) 3,__,__,3 B) __,3,__,3 C) __,3,3,__ D) balanced
A) coefficients B) reactants C) products D) subscripts
A) 65.6grams B) 52.0grams C) 138.7grams D) 39.6grams
A) Li=+1 O=-1 B) Li=+2 O=-2 C) Li=+1 O=-2 D) Li=+2 O=-1
A) 76 g/mol B) 76 amu C) 120 amu D) 120 g/mol
A) 11% B) 2% C) 20% D) 89%
A) 74 amu B) 36 g/mol C) 74 g/mol D) 36 amu
A) combustion B) double-displacement C) synthesis D) single-displacement E) decomposition
A) synthesis B) decompostion C) double-displacement D) single-displacement E) combustion
A) double-displacement B) combustion C) single-displacement D) synthesis E) decompostion
A) single-displacement B) combustion C) decomposition D) double-displacement E) synthesis
A) double-displacement B) single-displacement C) synthesis D) decomposition E) combustion
A) oC B) K C) L D) atm
A) K B) L C) torr D) atm
A) 13976cm3 B) 0.047cm3 C) 0.001cm3 D) 395cm3
A) 1071mmHg B) 1200mmHg C) 805mmHg D) 706mmHg
A) 581K B) 105.3K C) 303K D) 855K
A) 421K B) 500K C) 352K D) 206K
A) 32atm B) 49atm C) 18.9atm D) 15atm
A) Subtract 273 B) Multiply by 273 C) Add 273 D) Divide by 273
A) All of these B) 101.325kPa C) 1atm D) 760 torr
A) K B) Two of the above C) oC D) L
A) research B) organizing data C) experimentation D) communicating results
A) growth B) music C) water D) sunlight
A) music B) water C) growth D) sunlight
A) 0.86 B) 8.6 C) 86000 D) 860
A) heterogeneous mixture B) compound C) homegeneous mixture D) element
A) two of these B) salt water C) hydrogen D) air
A) are hard to pick out B) combine to form new substances C) none of these D) maintain seperate identities
A) physical property B) chemical property
A) chemical property B) physical 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) by atomic mass B) by atomic number C) alphabetically D) by date of discovery
A) Millikan B) Rutherford C) Thomson
A) Thomson B) Rutherford C) Millikan
A) 6 B) 8 C) 7 D) 9
A) Not enough information B) it depends on the mass C) 6.02x1023
A) 1s22s22p5 B) 1s12s12p6 C) 1s12s22p5 D) 1s22s22p6
A) [Kr]1s22s22p63s23p64s23d104p65s2 B) [Kr]5s2 C) [Ar] 4s2 D) [Ar]5s2
A) increases B) decreases
A) increases B) decreases
A) 3 B) 12 C) 4 D) 6
A) ionic B) special C) covalent D) metallic
A) special B) metallic C) covalent D) ionic
A) MgS B) Mg2S C) MgS2 D) MgS4
A) CCl B) CCl2 C) CCl4 D) CCl3
A) iron (II) chloride B) iron chloride C) iron (IV) chloride D) iron dichloride
A) nitrogen chloride B) nitrogen hexachloride C) trinitrogen hexachloride D) nitrogen (III)chloride
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) __,__,__,__ D) __,3,__,3
A) __2,2,__ B) 2,__,2,__ C) __,__,__,__ D) __,2,__,2
A) dividers B) coefficients C) subscripts D) multipliers
A) metalloids B) metals C) nonmetals
A) total electrons B) valence electrons C) total neutrons D) total protons
A) CrCl2 B) Cr2Cl2 C) Cr2Cl D) CrCl
A) NaOH B) HF C) NaCl D) HCl
A) 12.5g B) 0g C) 25 D) 50
A) bases B) acids C) neutral
A) Ms. Watson B) ... C) ... |