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