Atoms and Periodic Table

Which element is represented below?

Elements that have similar chemical properties are found in the same

What do we call the center of the atom?

Which element in Group 15 is the heaviest?

Which scientist discovered the electron ?

Non-metals can be which form of matter?

Which element is the lightest in Period 3?

Which scientist discovered that the electrons orbit the nucleus in energy levels ?

What type of elements are located in Group 1?

What do we call the positively charged subatomic particle found in the nucleus?

What do we call the elements to the left of the staircase (blue) ?

Which element is located in group 2 and period 4?

Elements that are located on the staircase on the Periodic Table are called

This element has an atomic number of 16. 

Which scientist discovered that the atom was mostly empty space ?

An element has an atomic number of 17.  How many electrons does it have?

Which elements are located to the right of the staircase?

What do we call the subatomic particles that are located outside the nucleus?

Which of the following is NOT a property of a metals? 

Most elements on the Periodic Table are 

True or false:  Electrons have a neutral or no charge. 

An element has an atomic number of 20 & an atomic mass of 35.  How many neutrons does it have?

What do we call the columns on the Periodic Table?

What do we call rows on the Periodic Table?