Atoms and Periodic Table Review

Which elements have properties of both metals and nonmetals?

In general, nonmetals are ____.

Which particles have almost the same mass?

When Rutherford performed his foil experiment, he found that most of the alpha particles _____.

The energy levels of an atom are occupied by _____.

Which best describes a valence electron?

In an atom, electrons ____.

An atom with _____ valence electrons is most stable.

Except for helium atoms, atoms tend to gain, lose, or share valence electrons until they have

The nucleus of an atom consists of _____.

A single proton has which electrical charge?

Helium and most nonmetals are found in which area of the periodic table?

Where are metals on the periodic table?

What group number has a stable number of electrons in their outer energy level?

In general, metals are _____.

Why do the noble gases NOT form compounds readily?

The three basic components of an atom are _____.

All of the elements in groups 1–12, except for hydrogen, are _____.

A certain atom has 26 protons, 26 electrons, and 30 neutrons. It mass number is ____.

Elements found in Group 18, are referred to as _____ and are chemically stable.

The place of an element in the modern periodic table is determined by its _____.

What is meant by periodic in Periodic Table?

Which location on the periodic table contains only metalloids?

In an atom, electrons _____.

How does an element in row 3 of the periodic table differ from an element in row 6?

The energy levels of an atom are occupied by ____.