Balance the equation: Al₂O₃ --> ?
Semester 1 Final Exam Review EL 24/25

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Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
2Al₂O₃ --> 4Al + 3O₂
2.
FLASHCARD QUESTION
Front
How many protons does this isotope of titanium have?
Back
22
3.
FLASHCARD QUESTION
Front
What is the measure of nuclear particles: protons + neutrons?
Back
Atomic Mass
4.
FLASHCARD QUESTION
Front
What are subatomic particles with a negative charge?
Back
Electrons
5.
FLASHCARD QUESTION
Front
How many protons, electrons, and neutrons are in this atom? 16 protons, 18 electrons, 16 neutrons
Back
16 protons, 18 electrons, 16 neutrons
6.
FLASHCARD QUESTION
Front
What is the atomic number?
Back
The number of protons in the nucleus of an atom.
7.
FLASHCARD QUESTION
Front
What is the difference between protons and neutrons?
Back
Protons are positively charged, while neutrons have no charge.
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