A) 14.28g/cm3 B) 0.014g C) 0.014 g/cm3 D) 14,000 g/cm3
A) very far apart and feely moving B) somewhat spread apart with almost not movement C) somewhat spread apart with little movement D) very close together and freely moving
A) atom with different number of electrons B) atom with different number of protons C) atom with different number of neutrons D) atom with different number of energy levels
A) 4d B) 3d C) 5s D) 4p
A) Na B) Si C) S
A) oxygen B) aluminum C) magnesium D) nitrogen
A) 0.56x10-24atoms B) 2.05x1024atoms C) 18.3atoms D) 2.05atoms
A) 0.37mol B) 36.4x1023 mol C) 185.92mol D) 2.70mol
A) 117grams B) 222grams C) 0.041grams D) 24.67grams
A) Al2Cl3 B) AlCl3 C) AlCl2 D) Al2Cl
A) single-replacement B) composition C) decomposition D) combustion
A) double-replacement B) single-replacement C) composition D) combustion
A) __,3,3,__ B) balanced C) 3,__,__,3 D) __,3,__,3
A) subscripts B) reactants C) coefficients D) products
A) 138.7grams B) 52.0grams C) 39.6grams D) 65.6grams
A) Li=+1 O=-2 B) Li=+1 O=-1 C) Li=+2 O=-2 D) Li=+2 O=-1
A) 76 amu B) 76 g/mol C) 120 g/mol D) 120 amu
A) 20% B) 11% C) 2% D) 89%
A) 36 amu B) 36 g/mol C) 74 g/mol D) 74 amu
A) double-displacement B) combustion C) synthesis D) decomposition E) single-displacement
A) decompostion B) double-displacement C) combustion D) synthesis E) single-displacement
A) synthesis B) decompostion C) combustion D) double-displacement E) single-displacement
A) decomposition B) double-displacement C) single-displacement D) synthesis E) combustion
A) synthesis B) decomposition C) combustion D) single-displacement E) double-displacement
A) K B) oC C) L D) atm
A) torr B) L C) atm D) K
A) 0.047cm3 B) 0.001cm3 C) 395cm3 D) 13976cm3
A) 805mmHg B) 1071mmHg C) 1200mmHg D) 706mmHg
A) 581K B) 105.3K C) 303K D) 855K
A) 500K B) 421K C) 352K D) 206K
A) 18.9atm B) 49atm C) 32atm D) 15atm
A) Subtract 273 B) Add 273 C) Divide by 273 D) Multiply by 273
A) All of these B) 1atm C) 760 torr D) 101.325kPa
A) L B) Two of the above C) K D) oC
A) organizing data B) communicating results C) experimentation D) research
A) music B) water C) growth D) sunlight
A) water B) music C) growth D) sunlight
A) 0.86 B) 8.6 C) 86000 D) 860
A) heterogeneous mixture B) homegeneous mixture C) element D) compound
A) two of these B) hydrogen 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) physical property B) chemical property
A) physical change B) chemical change
A) chemical change B) physical change
A) noble gases B) transition metals C) halogens D) alkali metals
A) alphabetically B) by atomic mass C) by atomic number D) by date of discovery
A) Thomson B) Millikan C) Rutherford
A) Millikan B) Rutherford C) Thomson
A) 6 B) 9 C) 7 D) 8
A) Not enough information B) 6.02x1023 C) it depends on the mass
A) 1s12s22p5 B) 1s22s22p6 C) 1s22s22p5 D) 1s12s12p6
A) [Ar] 4s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Ar]5s2 D) [Kr]5s2
A) decreases B) increases
A) decreases B) increases
A) 12 B) 6 C) 3 D) 4
A) covalent B) metallic C) ionic D) special
A) special B) metallic C) covalent D) ionic
A) MgS2 B) Mg2S C) MgS D) MgS4
A) CCl3 B) CCl4 C) CCl D) CCl2
A) iron chloride B) iron (II) chloride C) iron dichloride D) iron (IV) chloride
A) nitrogen chloride B) nitrogen hexachloride C) trinitrogen hexachloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) how much it weighs B) number of atoms C) charge D) nothing
A) two of these B) transition metals C) 4A D) groups 1A,2A,3A and 4A
A) __,3,__,3 B) __,__,__,__ C) 3,__,__,3 D) __,3,3,__
A) __2,2,__ B) __,__,__,__ C) __,2,__,2 D) 2,__,2,__
A) coefficients B) dividers C) multipliers D) subscripts
A) metals B) metalloids C) nonmetals
A) total neutrons B) valence electrons C) total electrons D) total protons
A) Cr2Cl2 B) CrCl2 C) CrCl D) Cr2Cl
A) HCl B) HF C) NaCl D) NaOH
A) 50 B) 25 C) 0g D) 12.5g
A) neutral B) bases C) acids
A) ... B) Ms. Watson C) ... |