2. Atoms & Elements

How many protons are present in a neutral atom of scandium?

Which statement best describes an element?

Which of the following is the smallest particle of an element that retains the chemical properties of that element?

Which is a characteristic of the nucleus of an atom?

Which of the following statements about gold is correct?

Which subatomic particles move rapidly around the nucleus of an atom?

Which of the following relationships is true for an uncharged atom?

Where is most of the mass of an atom located?

Which of the following is the number of protons in a neutral atom of terbium (Tb)?

What is the smallest unit of an element that still retains the properties of that element?

Which of the following statements correctly describes the number of protons in an atom?

Which number is used to uniquely identify an atom of a particular element?

Which of the following correctly describes a property of an atom?

How many electrons are present in a neutral atom of phosphorus?

A mystery element has 18 protons. Which one of the following statements is true about the element?