
Semester 1 Chemistry Final review
Flashcard
•
Chemistry
•
9th - 11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is hydrogen bonding?
Back
Hydrogen bonding is a type of attractive interaction that occurs when hydrogen is covalently bonded to highly electronegative atoms such as nitrogen (N), oxygen (O), or fluorine (F).
2.
FLASHCARD QUESTION
Front
Which molecules exhibit hydrogen bonding?
Back
Molecules like NH3 (ammonia) exhibit hydrogen bonding due to the presence of hydrogen bonded to nitrogen.
3.
FLASHCARD QUESTION
Front
What is the atomic mass of Fluorine (F)?
Back
The atomic mass of Fluorine (F) is 19.
4.
FLASHCARD QUESTION
Front
How many protons does the element with atomic number 7 have?
Back
The element with atomic number 7 is nitrogen (N), which has 7 protons.
5.
FLASHCARD QUESTION
Front
Identify a nonmetal from the following options: sodium, tungsten, sulfur, silicon.
Back
Sulfur is a nonmetal.
6.
FLASHCARD QUESTION
Front
What is a correct dot diagram for oxygen (O)?
Back
A correct dot diagram for oxygen shows 6 valence electrons, not 8.
7.
FLASHCARD QUESTION
Front
Define atomic mass.
Back
Atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).
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