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