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