A) 0.014g B) 0.014 g/cm3 C) 14,000 g/cm3 D) 14.28g/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 energy levels C) atom with different number of electrons D) atom with different number of protons
A) 3d B) 4p C) 4d D) 5s
A) Na B) S C) Si
A) magnesium B) aluminum C) oxygen D) nitrogen
A) 2.05atoms B) 0.56x10-24atoms C) 2.05x1024atoms D) 18.3atoms
A) 2.70mol B) 36.4x1023 mol C) 185.92mol D) 0.37mol
A) 24.67grams B) 222grams C) 117grams D) 0.041grams
A) Al2Cl B) AlCl2 C) Al2Cl3 D) AlCl3
A) composition B) decomposition C) single-replacement D) combustion
A) single-replacement B) combustion C) composition D) double-replacement
A) __,3,3,__ B) __,3,__,3 C) 3,__,__,3 D) balanced
A) products B) subscripts C) reactants D) coefficients
A) 52.0grams B) 39.6grams C) 65.6grams D) 138.7grams
A) Li=+1 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-1 D) Li=+2 O=-2
A) 76 g/mol B) 120 amu C) 120 g/mol D) 76 amu
A) 2% B) 11% C) 89% D) 20%
A) 74 amu B) 74 g/mol C) 36 amu D) 36 g/mol
A) double-displacement B) synthesis C) single-displacement D) decomposition E) combustion
A) double-displacement B) synthesis C) decompostion D) combustion E) single-displacement
A) double-displacement B) single-displacement C) combustion D) synthesis E) decompostion
A) double-displacement B) synthesis C) combustion D) single-displacement E) decomposition
A) single-displacement B) double-displacement C) decomposition D) synthesis E) combustion
A) oC B) atm C) K D) L
A) atm B) torr C) K D) L
A) 0.047cm3 B) 13976cm3 C) 0.001cm3 D) 395cm3
A) 805mmHg B) 1200mmHg C) 1071mmHg D) 706mmHg
A) 105.3K B) 855K C) 303K D) 581K
A) 421K B) 206K C) 352K D) 500K
A) 18.9atm B) 49atm C) 15atm D) 32atm
A) Multiply by 273 B) Add 273 C) Subtract 273 D) Divide by 273
A) 101.325kPa B) 1atm C) 760 torr D) All of these
A) oC B) L C) K D) Two of the above
A) communicating results B) research C) organizing data D) experimentation
A) water B) sunlight C) growth D) music
A) music B) sunlight C) water D) growth
A) 8.6 B) 860 C) 0.86 D) 86000
A) element B) compound C) heterogeneous mixture D) homegeneous mixture
A) hydrogen B) salt water C) two of these D) air
A) are hard to pick out B) none of these C) combine to form new substances D) maintain seperate identities
A) physical property B) chemical property
A) physical property B) chemical property
A) physical change B) chemical change
A) chemical change B) physical change
A) alkali metals B) noble gases C) halogens D) transition metals
A) by atomic mass B) alphabetically C) by atomic number D) by date of discovery
A) Rutherford B) Millikan C) Thomson
A) Thomson B) Millikan C) Rutherford
A) 8 B) 6 C) 7 D) 9
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) increases B) decreases
A) 4 B) 6 C) 3 D) 12
A) ionic B) metallic C) special D) covalent
A) covalent B) ionic C) special D) metallic
A) MgS2 B) MgS4 C) MgS D) Mg2S
A) CCl B) CCl4 C) CCl2 D) CCl3
A) iron (IV) chloride B) iron chloride C) iron dichloride D) iron (II) chloride
A) trinitrogen hexachloride B) nitrogen hexachloride C) nitrogen (III)chloride D) nitrogen chloride
A) shares electrons B) donates/accepts electrons
A) number of atoms B) nothing C) charge D) how much it weighs
A) transition metals B) 4A C) two of these D) groups 1A,2A,3A and 4A
A) __,3,__,3 B) 3,__,__,3 C) __,__,__,__ D) __,3,3,__
A) __,2,__,2 B) 2,__,2,__ C) __,__,__,__ D) __2,2,__
A) coefficients B) subscripts C) dividers D) multipliers
A) metals B) metalloids C) nonmetals
A) total electrons B) valence electrons C) total neutrons D) total protons
A) Cr2Cl B) CrCl2 C) CrCl D) Cr2Cl2
A) NaCl B) NaOH C) HF D) HCl
A) 25 B) 0g C) 50 D) 12.5g
A) neutral B) acids C) bases
A) ... B) Ms. Watson C) ... |