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