The Periodic Table and Properties of Atoms

What charge does an electron have?

Nitrogen is atomic # 7. An isotope of nitrogen with 7 neutrons would be ____.

An element with some properties of both metals and nonmetals

As you move from left to right on the Periodic Table the atomic numbers____.

_____ is a very reactive metal.

What two subatomic particles make up the nucleus of an atom?

Elements in the same group as Francium have how many electrons in their outer shell?

In what group on the periodic table would you find a very reactive gas?

What element has the symbol Pb?

What makes an atom neutral?

In what group would you find an atom that forms a +1 ion 

If an atom has 12 protons and 12 neutrons, what element does it represent?

What subatomic part of the atom has a positive charge

Oxygen has 8 protons, 9 neutrons, and 8 electrons, what is its mass number?

Most of the elements on the periodic table are ________.

How many electrons are in the outer shell of the Halogens?

An atom forms a negative ion when it____.

The energy released when an atom forms a new element is called ___.

The center part of the atom is called the ____.

Atoms of the same element with different numbers of neutrons are called _________.

The number of protons in the nucleus is the ____.

Isotopes of an element differ in the _______.

A Potassium ion has a charge of 1⁺. You can infer that the ion has one

What element on the Periodic Table has 2 protons?

Which element is a Noble ga

The average of the mass numbers of the isotopes of an element is the ______.

The total number of protons and neutrons in an atom is called the ____.