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