Periodic Table and the elements properties
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is created when a metal comes in contact with oxygen and water?
Back
Rust (tarnish)
2.
FLASHCARD QUESTION
Front
How many protons and electrons does nickel have?
Back
28
Tags
NGSS.MS-PS1-1
3.
FLASHCARD QUESTION
Front
How do you calculate the number of neutrons in an atom?
Back
Neutrons = Mass - Atomic number
4.
FLASHCARD QUESTION
Front
What is all matter made of?
Back
Atoms
Tags
NGSS.MS-PS1-1
5.
FLASHCARD QUESTION
Front
What is the mass of an atom calculated by?
Back
Adding the number of protons and neutrons in the nucleus of the atom.
6.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The number of protons in the nucleus of an atom.
7.
FLASHCARD QUESTION
Front
What is the difference between atomic mass and atomic number?
Back
Atomic mass is the total number of protons and neutrons, while atomic number is just the number of protons.
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