Yeah
d-block elements are also called transition elements.
Today are known 118 chemical elements; 98 are considered as natural elements (but some have also and an artificial origin).
Group 7 elements are also known as the halogens. These elements include fluorine, chlorine, bromine, iodine, and astatine.
Romance plays are also known as "romantic comedies" or "rom-coms." These works typically blend elements of humor and love, focusing on relationships and the complexities of romance. In literature and theater, they often explore themes of love, misunderstanding, and eventual reconciliation, leading to a happy or uplifting conclusion.
Calcium and Iron are 2. On the periodic table, look for the rest around these 2
Columns are also known as Groups or Families. Rows are also known as Periods or Energy levels
Baking soda, also known as sodium bicarbonate, has three elements: sodium, hydrogen, and carbon.
The two rows of elements placed below the periodic table are known as f block elements. The two rows are also known as lanthanides and actinides. In these elements, the electrons are filled in the antepenaltimate f orbital.
The s and p blocks make up the main-group elements, which are also known as representative elements.
There are 15 elements in the actinoid series, also known as the actinides. These elements follow actinium in the periodic table and include elements such as thorium, uranium, and plutonium.
Assuming my memory is correct, the transition elements are those elements in groups 3 through 12, also known as the "d-block" on the periodic table of elements.
Best known for creating the periodic table of elements. The periodic may also be used now.