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