Ch. 5 Physical Science

Front

What do atoms of the most reactive elements tend to have in terms of valence electrons?

Back

Atoms of the most reactive elements tend to have one or seven valence electrons.

Front

What value increases by exactly one from element to element when moving from left to right across a row of the periodic table?

Back

The atomic number increases by exactly one from element to element.

Front

How do Group 7A elements compare to Group 1A elements in terms of valence electrons?

Back

Group 7A elements have more valence electrons compared to Group 1A elements.

Front

What is the most abundant element in Earth's crust?

Back

Oxygen is the most abundant element in Earth's crust.

Front

What are the elements found in Group B on the periodic table called?

Back

The elements found in Group B on the periodic table are called transition metals.

Front

What is the significance of valence electrons in determining the reactivity of an element?

Back

Valence electrons determine how an element will react with others; elements with one or seven valence electrons are typically more reactive.

Front

What is the periodic table and how is it organized?

Back

The periodic table is a tabular arrangement of elements organized by increasing atomic number, with elements in the same column (group) sharing similar properties.

Front

What are transition metals and where are they located on the periodic table?

Back

Transition metals are elements found in Groups 3-12 of the periodic table, known for their ability to form various oxidation states and complex ions.

Front

What is the relationship between atomic number and the position of an element in the periodic table?

Back

The atomic number indicates the number of protons in an atom and determines the element's position in the periodic table.

Front

Why is oxygen considered the most abundant element in the Earth's crust?

Back

Oxygen is the most abundant element in the Earth's crust due to its presence in various minerals and compounds, such as silicates.