Which of the following is insoluble in water? (QID 133108)
A. K2SO4
B. KNO2
C. C10H22
D. NH4+
The intrinsic bonds present between atoms in a molecule of H2O? (QID 133106)
A. hydrogen
B. ionic
C. polar covalent
D. nonpolar covalent
The chemical bonds present within a molecule of CO2? (QID 133105)
A. hydrogen
B. ionic
C. polar covalent
D. nonpoloar covalent
The majority of metals tend to be ______________________________________. Fill in the blank with the appropriate phrase. (QID 133104)
A. oxidized thereby gaining electrons and becoming a cation
B. oxidized thereby losing electrons and becoming a cation
C. reduced thereby gaining electrons and becoming an anion
D. reduced thereby losing electrons and becoming an anion
Halogens are known to be extremely reactive with alkali metals. Which alkali metal and halogen presented would react most readily if allowed to spontaneously react? (QID 133103)
A. N & As
B. Li & F
C. O & Cl
D. Al & Zn
Which of the following elements has the largest atomic radius but the smallest ionization energy? (QID 133102)
A. F B. Ba C. Kr D. H
When considering the periodic table, electronegativity can be found to _______________ across periods and ________________ up a family from bottom to top. Which of the following correctly fills in the blanks above? (QID 133101)
A. increase in strength, increases in strength
B. increase in strength, decreases in strength
C. decrease in strength, increases in strength
D. decrease in strength, decreases in strength
Synthesis of ADP and a phosphate ion during cellular respiration leads to the formation of the high-energy ATP molecule that harnesses ___________________ energy. Which word correctly fills in the blank? (QID 133100)
A. thermal B. nuclear C. mechanical D. chemical