Unit 4 Periodic Table

What physical properties are used to identify copper as a metal?

How does the modern periodic table arrange the elements?

Which of the following is a property of nonmetals?

Which statement is true about an oxygen atom with 9 electrons and an oxygen atom with 10 electrons?

Which of the following is NOT a subcategory of the metal category?

Masses on the periodic table are not whole numbers because

What happens to the number of valence electrons as you move from left to right across the periodic table?

The predicted area on the Periodic Table that contains undiscovered elements that would be stable is called what?

What is unique about isotopes?

Some elements only exist because humans made them in a lab. These elements are called what?

Elements are grouped into categories based on how they

What is the charge of the ions that elements in group 13 like to form?

Which element is the exception to the periodic table ion rule?

Which element most likely behaves like iodine?

How many neutrons does hydrogen-3 have?

Which elements are found on the stair step?

How many neutrons does the atom pictured below have?

What causes elements to behave similarly to each other in chemical reactions?

A element in Group 2 on the periodic table has how many valence electrons?

In which area of the periodic table would you find metals?

Noble gasses in group 18 are EXTREMELY stable because of what?

Which nonmetals are the MOST reactive?

Which metals are the MOST reactive?

Suppose an atom has a mass number of 23. Which statement is true?

Families are named by