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