How you want it...
*Angela had periodic changes in her classes at school.
Used as an adverb...
*Billy periodicly changed his lunch from a peanut butter sandwich one day to ham the next.
ily
She's generally a healthy toddler but she has periodic ear infections.
A periodic sentence contains a period at the end of the sentence, while a cummulative sentence contains several commas, as the latin word cummus translated into comma in 800 A.D
The periodic table is a comprehensive chart that organizes elements based on their atomic number and chemical properties.
The periodic table organizes elements based on their unique properties and relationships to one another.
Hydrogen is the first element on the periodic table of elements. Hydrogen is also a gas.
Each of oxygen and nitrogen is a chemical element.
The farthest right column of the periodic table contains the noble gases.
"Hydrogen is the first element in the periodic table."
periodic loose semi-periodic balanced
periodic sentence and loose or cumulative sentence
The Periodic Table organizes elements based on their unique properties and relationships to one another.