What is a covalent bond?
PRACTICE: Chemical Formulas and Chemical Bonds

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A covalent bond is a type of chemical bond formed when two nonmetals share electrons.
2.
FLASHCARD QUESTION
Front
How many atoms of carbon are in the formula C6H12O6?
Back
There are 6 atoms of carbon in C6H12O6.
3.
FLASHCARD QUESTION
Front
What holds the atoms in a molecule together?
Back
Atoms in a molecule are held together by chemical bonds.
4.
FLASHCARD QUESTION
Front
What is a compound? Give an example.
Back
A compound is a substance formed when two or more different elements are chemically bonded together. Example: CO2 (carbon dioxide).
5.
FLASHCARD QUESTION
Front
Identify the type of bond in NO2.
Back
NO2 has a covalent bond.
6.
FLASHCARD QUESTION
Front
What is the difference between ionic and covalent bonds?
Back
Ionic bonds involve the transfer of electrons between a metal and a nonmetal, while covalent bonds involve the sharing of electrons between nonmetals.
7.
FLASHCARD QUESTION
Front
What is the chemical formula for water?
Back
The chemical formula for water is H2O.
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