Elements and the Periodic Table

How many valence electrons does N (7) have?

Chlorine and Iodine are members of which family on the periodic table?

Mass number minus the atomic number will yield ________________.

Which of the atoms below has the lowest atomic mass?

How many valence electrons does the element O (8) have?

What is a horizontal row called on the Periodic Table?

What group contains the most reactive metals? 

These elements have similar properties to each other. 

The family of atoms with chlorine and fluorine is called the ___________________ .

An atom has 15 protons, 16 neutrons, and 15 electrons.  What is the identity of the element?

Which of the following statements is true regarding charges of subatomic particles?

All the atoms in a family have the same number of ________________________ .

Which subatomic particles are found within the nucleus?

Noble gases are unreactive because they generally have _____ valence electrons.

What is the vertical column on the Periodic Table called?

Most of an atoms mass is found where?

Helium is most like which element?

How many valence electrons does the element Mg (12) have?

Which Subatomic Particle is most important for identifying an element?

Which elements are in the same period?

This family includes elements that react violently with water and can be cut with a knife.  

How many periods are on the Periodic Table of Elements?

The subatomic particle that has a positive charge is called the ________________.

Be, Mg, and Ca are all in this group.

The subatomic particle located outside the nucleus is called the ______________.

Which elements are in the same group/family of the periodic table?

An atom has 8-P, 8-N, and 8-E.  Which of the following can be used to identify the element?

Most of the elements on the periodic table are

What is the family of elements called that has one valence electron?

The electrons in the outer most shell or orbital are called_____________________electrons.

What is another name for a family on the Periodic Table?

What is the most reactive group of non metals?

Which group number on the periodic table are the halogens?

All atoms in a period have the same number of ______________________ .

This family contains the most reactive nonmetals.  The name means "salt-forming." 

This family contains elements that are fairly hard, gray-white, and good conductors. 

Which of the following statements is true regarding masses of Subatomic Particles?

How many groups are on the Periodic Table of Elements?

The subatomic particle with no charge is called the _______________.

The Russian chemist who is given credit for first arranging elements in a usable manner is