Atoms and the Periodic Table Review

Front

What is the identity of the following model? Helium, Beryllium, Boron, Carbon

Back

Beryllium

Front

Which student correctly identifies the charge of the subatomic particles? Options: Kelly: Protons (neutral), Neutrons (positive), Electrons (negative); Alexis: Protons (negative), Neutrons (positive), Electrons (neutral); Diamond: Protons (positive), Neutrons (neutral), Electrons (negative); Anthony: Protons (neutral), Neutrons (negative), Electrons (positive)

Back

Diamond: Protons (positive), Neutrons (neutral), Electrons (negative)

Front

The pictures below show the position of different elements on the periodic table. Which picture has an X in the locations of the three elements that would be most similar in the way they react and have the same number of valence electrons?

Back

Front

Which of the following best describes an atom?

Back

A core of protons and neutrons surrounded by electrons.

Front

Which of the following statements is true about the diagram?
- These elements are in the same period.
- These elements are in the same group.
- These elements share the same chemical properties.
- These elements are both metals.

Back

These elements are in the same period.

Front

What makes an element the most reactive? Options: Rocio: An element with the most neutrons. Tyler: An element with 7 electrons in the outer shell. Daniel: An element with the same number of protons and electrons. Glenda: An element with 8 valence electrons.

Back

Tyler: An element with 7 electrons in the outer shell.

Front

Which of the following does NOT describe the elements in 8A?

• They are called the Noble Gases
• They have 8 valence electrons
• They have 8 energy levels
• They are chemically stable

Back

They have 8 energy levels

Front

In which region of the table would nonmetals be found?

Back

3

Front

An atom has 29 protons, 29 electrons, and 35 neutrons. What is the mass number of the atom?

Back

64

Front

Unidentified element classification: metal in group (1A), metal in group (3A), nonmetal in period 3, metalloid in period 5.

Back

metal in group (3A)