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