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