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PS 1-1 Lesson 1 FA2
By Erin Luense
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Last updated over 4 years ago
2 questions
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Question 1
1.
Which of the following is the
chemical symbol
in the picture?
A 2
B He
C Helium
D 4.0026
Question 2
2.
How did Mendeleev organize the periodic table?
The elements are organized alphabetically.
The elements are arranged by their state of matter.
The elements are arranged by common properties.
The elements are arranged in order of the number of letters in the chemical symbol.
