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