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