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