Questions from General Chemistry

Q: Most of the elements are solids at room temperature. Give three

Most of the elements are solids at room temperature. Give three examples of elements that are liquids at room temperature, and three examples of elements that are gases at room temperature.

Q: The two most common elemental forms of carbon are diamond and .

The two most common elemental forms of carbon are diamond and .

Q: The tablecloth on my dining room table is 2 m long,

The tablecloth on my dining room table is 2 m long, which is cm or about in.

Q: An isolated atom has a net charge of .

An isolated atom has a net charge of .

Q: Ions are produced when an atom gains or loses .

Ions are produced when an atom gains or loses .

Q: A simple ion with a 3+ charge (for example,

A simple ion with a 3+ charge (for example, Al+3) results when an atom (gains/loses) electrons.

Q: An ion that has two more electrons outside the nucleus than there

An ion that has two more electrons outside the nucleus than there are protons in the nucleus will have a charge of .

Q: Positive ions are called , whereas negative ions are called .

Positive ions are called , whereas negative ions are called .

Q: Simple negative ions formed from single atoms are given names that end

Simple negative ions formed from single atoms are given names that end in .

Q: Based on their location in the periodic table, give the symbols

Based on their location in the periodic table, give the symbols for three elements that would be expected to form positive ions in their reactions.