2. Atoms & Elements

Which of the following best describes what the atomic number of an element represents?

Which of the following best describes how elements and compounds are identified?

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

Which type of electric charge is carried by electrons in an atom?

Which element has an atom with 53 protons and 74 neutrons?

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

Which term refers to the positively charged center of an atom?

Which of the following correctly describes how to calculate the number of neutrons in an atom?

What is the atomic number (Z) of the isotope 7_3Li?

Which element has more protons in its nucleus: sulfur or iodine?

How many protons are present in a lithium atom?

Which of the following is the number of protons in an atom of iron (Fe)?

How many protons are present in an atom of the element with atomic number 10?

Which property of an atom determines the element to which it belongs?

In an atom, where are the electrons primarily located?