Atoms of metallic elements can form ionic bonds, but they are not very good at forming covalent bonds. Why?
A) These atoms are too large to be able to come in close contact with other atoms.
B) They have a great tendency to lose electrons.
C) Their valence shells are already filled with electrons.
D) They are on the wrong side of the periodic table.
B
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Electronic waste (computers, cell phones, etc.)
A. can be safely placed in landfills because they do not contain harmful or toxic components. B. is generally taken back by manufacturers who recycle the components. C. contains valuable metals D. None of these statements is correct.
The weather forecast says that a warm front is moving into town. While the front is in town, what kind of weather is likely?
A) warm B) cloudy with possible precipitation C) cool D) clear
Discuss the practices used by farmers to protect their soils
What will be an ideal response?
On June 21, an observer would see:
a. long days and short nights in the Southern Hemisphere. b. long days and short nights in the Northern Hemisphere. c. day and night of equal length. d. none of these