Chemists use the periodic table to organize the elements. What are some ways in which this organization is useful? Select all that apply by writing the letter(s) of
the correct choice(s) in the yellow box.
A. It groups elements that have similar properties.
B. It identifies which elements are most common and which are rare.
C. It allows scientists to predict how a particular element will interact with others,
D. It arranges elements in order of usefulness for human activities.

A. It groups elements that have similar properties.

C. It allows scientists to predict how a particular element will interact with others,

Explanation:

The periodic table of elements is a very useful table in chemistry which allows for the grouping of elements based on their atomic number.

Atomic number of elements is the number of protons they contain. The periodic table is based on the periodic law.

On the periodic table, there are trends and patterns from groups to groups and periods to periods.

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer