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