Atoms and The Periodic Table

Atoms that gain or lose electrons are called

Which is the most common isotope for Sulfur?

Which of the following family is most reactive?

Rutherford's experiment led to the discovery of what atomic feature?

The first energy level (orbital) of an atom can hold how many electrons?

Oxygen’s atomic number is 8.  This means that an oxygen atom has

As you move from left to right on the periodic table, elements

Atoms have no electric charge because....

Isotopes of the same element have a different number of

The figure shown is a Bohr's Model of what atom?

Semiconductors are elements that

Which scientist used the Cathode Ray Tube in their atom research?

In a Lewis Dot model the element symbol represents the

Positive charge ions are called

Which statement about the atom’s nucleus is correct?

Atoms of elements that are in the same group have the same number of

What is the charge of a proton?

Valence electrons determine an atom's

What is the mass number of an atom that has 19 protons, 19 electrons, and 20 neutrons

The number of protons in an atom determines the atoms

Which ion is most likely to form from a Boron atom?

Which of the following is an Alkali Metal

Most metals form

The order of elements in the modern periodic table is based on