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