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