A) 0.014g B) 14.28g/cm3 C) 0.014 g/cm3 D) 14,000 g/cm3
A) very close together and freely moving B) somewhat spread apart with little movement C) very far apart and feely moving D) somewhat spread apart with almost not movement
A) atom with different number of neutrons B) atom with different number of energy levels C) atom with different number of electrons D) atom with different number of protons
A) 4p B) 5s C) 3d D) 4d
A) S B) Na C) Si
A) magnesium B) aluminum C) nitrogen D) oxygen
A) 2.05atoms B) 0.56x10-24atoms C) 18.3atoms D) 2.05x1024atoms
A) 36.4x1023 mol B) 2.70mol C) 0.37mol D) 185.92mol
A) 117grams B) 0.041grams C) 222grams D) 24.67grams
A) AlCl3 B) Al2Cl3 C) Al2Cl D) AlCl2
A) combustion B) decomposition C) composition D) single-replacement
A) composition B) single-replacement C) double-replacement D) combustion
A) __,3,__,3 B) __,3,3,__ C) 3,__,__,3 D) balanced
A) reactants B) subscripts C) coefficients D) products
A) 52.0grams B) 138.7grams C) 39.6grams 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) 76 amu C) 120 amu D) 120 g/mol
A) 89% B) 11% C) 20% D) 2%
A) 36 g/mol B) 74 g/mol C) 36 amu D) 74 amu
A) single-displacement B) combustion C) double-displacement D) synthesis E) decomposition
A) combustion B) double-displacement C) decompostion D) synthesis E) single-displacement
A) decompostion B) single-displacement C) double-displacement D) synthesis E) combustion
A) synthesis B) double-displacement C) decomposition D) single-displacement E) combustion
A) single-displacement B) combustion C) decomposition D) double-displacement E) synthesis
A) L B) atm C) K D) oC
A) L B) K C) torr D) atm
A) 395cm3 B) 0.001cm3 C) 0.047cm3 D) 13976cm3
A) 805mmHg B) 1071mmHg C) 706mmHg D) 1200mmHg
A) 855K B) 303K C) 581K D) 105.3K
A) 352K B) 206K C) 421K D) 500K
A) 49atm B) 32atm C) 15atm D) 18.9atm
A) Subtract 273 B) Divide by 273 C) Add 273 D) Multiply by 273
A) 760 torr B) 101.325kPa C) All of these D) 1atm
A) oC B) L C) K D) Two of the above
A) organizing data B) experimentation C) communicating results D) research
A) music B) growth C) sunlight D) water
A) water B) sunlight C) growth D) music
A) 86000 B) 860 C) 8.6 D) 0.86
A) element B) heterogeneous mixture C) homegeneous mixture D) compound
A) salt water B) hydrogen C) air D) two of these
A) none of these B) maintain seperate identities C) combine to form new substances D) are hard to pick out
A) chemical property B) physical property
A) chemical property B) physical property
A) physical change B) chemical change
A) chemical change B) physical change
A) transition metals B) halogens C) noble gases D) alkali metals
A) by date of discovery B) by atomic number C) alphabetically D) by atomic mass
A) Millikan B) Rutherford C) Thomson
A) Thomson B) Rutherford C) Millikan
A) 6 B) 9 C) 7 D) 8
A) Not enough information B) it depends on the mass C) 6.02x1023
A) 1s22s22p5 B) 1s12s22p5 C) 1s22s22p6 D) 1s12s12p6
A) [Ar] 4s2 B) [Ar]5s2 C) [Kr]5s2 D) [Kr]1s22s22p63s23p64s23d104p65s2
A) decreases B) increases
A) decreases B) increases
A) 4 B) 6 C) 12 D) 3
A) special B) covalent C) ionic D) metallic
A) ionic B) covalent C) metallic D) special
A) MgS4 B) MgS C) Mg2S D) MgS2
A) CCl4 B) CCl3 C) CCl D) CCl2
A) iron (IV) chloride B) iron dichloride C) iron chloride D) iron (II) chloride
A) nitrogen chloride B) trinitrogen hexachloride C) nitrogen hexachloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) number of atoms B) how much it weighs 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) dividers C) coefficients D) subscripts
A) metalloids B) metals C) nonmetals
A) total neutrons B) total protons C) total electrons D) valence electrons
A) CrCl2 B) CrCl C) Cr2Cl2 D) Cr2Cl
A) HF B) HCl C) NaOH D) NaCl
A) 0g B) 50 C) 25 D) 12.5g
A) neutral B) acids C) bases
A) ... B) Ms. Watson C) ... |