What is an atom’s nucleus made of?

The farther an electron is from the nucleus, the more ______ it has.

Atoms of the same element that have different numbers of neutrons are called

 The total number of electrons in the outer shell of a sodium atom is

Which particles determine the atomic number of an element?

The total number of neutrons in the nucleus of an atom is equal to the

The maximum number of electrons that can occupy the 2nd shell of an atom of magnesium is 

The mass of the most common isotope of an element is known based on an element’s

What is the correct electron arrangement for sulfur? (Hint: think about electron shells/energy levels!) 

Which of the following is a transition metal?

An unstable nucleus results from too many or too few

Which part of the periodic table indicates the number of energy levels in the electron cloud?

Which statement about the arrangement of the periodic table is not true?

Boron, carbon, nitrogen and oxygen are all members of the same .

Which of the following elements would be the best conductor of electricity?

Which of the following elements would be the most reactive?

At room temperature, most metals are .

 Hydrogen is in group 1 with lithium, sodium, potassium, rubidium, cesium, and francium because it

What is the group name for Potassium-42?

Arranged the elements on the periodic table based on atomic number

Solid Sphere Model; elements are atoms with different masses

Electron Cloud Model; surrounding the nucleus is an electron cloud made of shells – electrons do not, however, travel in a fixed orbit

Nuclear Model; Gold Foil experiment allowed him to discover that the nucleus was the positively charged center of the atom surrounded by negatively charged electrons

Arranged the elements on the periodic table based on atomic mass

Plum Pudding Model; atom is positive sphere with negatively charged particles evenly embedded throughout

Electrons travel in fixed orbits around the nucleus of the atom

Named the atom based on the Greek word meaning indivisible

A subatomic particle with a positive charge

The positively charged center of that atom where most of the mass of the atom is located

A subatomic particle with a negative charge

The negatively charged area around the nucleus where the volume of the atom is located

The subatomic particle with no charge (therefore electrically neutral)

Which of the following are Metals?

Which of the following are Nonmetals?

Which of the following are Metalloids?

Which of the following is a property of metals?

Which of the following is a property of nonmetals?

Which of the following is a property of metalloids?

This element is in the same family as Br, but has fewer protons than Mg. It must be

This element has 6 energy levels and 8 valence electrons.  It must be

This element is in the alkaline earth metals group and has 3 energy levels.   It must be

This element is in the family with the most reactive nonmetals and has 4 energy levels.  It must be