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