Topic #3: It's Chemistry! flashcard #5 2425

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together. For example, a molecule of water (H2O) consists of two hydrogen atoms and one oxygen atom.

Front

How many atoms are in a molecule of nicotine?

Back

26

Front

What is the chemical formula for sodium citrate?

Back

Na3C6H5O7

Front

How many carbon atoms are in one molecule of sodium citrate?

Back

6

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the attraction between oppositely charged ions.

Front

How does an ionic bond work?

Back

Opposite charges attract each other.

Front

What is the atomic number of silver?

Back

47

Front

How many neutrons does one atom of silver have?

Back

60

Front

What is a chemical symbol?

Back

A chemical symbol is a one or two-letter abbreviation used to represent an element.

Front

Why are some chemical symbols different from the chemical name?

Back

The symbol is from the Latin name of the element.