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