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