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