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