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