Periodic Table
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The atomic number is the number of protons in the nucleus of an atom of that element.
2.
FLASHCARD QUESTION
Front
What does the atomic mass of an element represent?
Back
The atomic mass represents the average mass of an element's atoms, taking into account the relative abundance of its isotopes.
3.
FLASHCARD QUESTION
Front
What is a chemical symbol?
Back
A chemical symbol is a one or two-letter abbreviation used to represent an element on the periodic table.
4.
FLASHCARD QUESTION
Front
How many protons does an atom of Oxygen have?
Back
8
Tags
NGSS.MS-PS1-1
5.
FLASHCARD QUESTION
Front
What is the chemical symbol for Gold?
Back
Au
6.
FLASHCARD QUESTION
Front
What do we call elements in the same column of the periodic table?
Back
They are called a group or family.
7.
FLASHCARD QUESTION
Front
What is the significance of the periodic table's arrangement?
Back
Elements are arranged by increasing atomic number, which reflects their properties and relationships.
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