Ch 16 Properties of Atoms and the Periodic Table

Identify the element that has full 1st and 2nd energy levels and the third has 1 electron.

What is the mass of an electron?

Outer electrons are called cloud electrons.

How many neutrons are found in a chlorine-35 atom?

Who set up the periodic table according to increasing atomic masses?

What is the charge of the nucleus?

Identify the isotope from the following information: 10 protons, 11 neutrons, 10 electrons.

Dot diagrams represent

A metalloid is located ??? on the periodic table

To produce quarks you will smash 

Elements that are gases or brittle solids and poor conductors are

The maximum number of electrons that can be in the second energy level is

The maximum number of electrons that can be in the first energy level is

This device is used to accelerate protons to study subatomic particles.

The center of an atom is called the nucleus.

Horizontal rows on the periodic table are called

Elements on the right side of the periodic table are called

A noble gas has an outer energy level that is

Atomic number is the number of

How many dots would be shown in the electron dot diagram of carbon?

An isotope is an element that has the same number of protons but

Mass Number is the 

Quarks make up electrons.

Symbol for carbon is

An element can be identified by the number of

Use the periodic table to determine which isotope of lithium(#3) is the most common.