Mid-Term Exam Review. Bondx, Reactions and Matter
Flashcard
•
Chemistry
•
KG
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the atomic number?
Back
The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.
2.
FLASHCARD QUESTION
Front
What is the skeleton equation for phosphorus combining with oxygen?
Back
P + O2 -> P2O5
3.
FLASHCARD QUESTION
Front
How many valence electrons does Carbon have?
Back
Carbon has 4 valence electrons.
4.
FLASHCARD QUESTION
Front
How do you calculate the number of neutrons in an atom?
Back
Subtract the number of protons (p+) from the mass number.
5.
FLASHCARD QUESTION
Front
What does the number of protons represent in an element?
Back
The number of protons represents the atomic number.
6.
FLASHCARD QUESTION
Front
What is a proton?
Back
A proton is a positively charged particle found in the nucleus of an atom.
7.
FLASHCARD QUESTION
Front
What is a neutron?
Back
A neutron is a neutral particle found in the nucleus of an atom.
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