Compounds, Chemical Formulas, and Covalent Bonds
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Last updated about 7 years ago
15 questions
1
Made up of 2 or more different elements.
Made up of 2 or more different elements.
1
A group of atoms held together by covalent bonding that acts as an independent unit.
A group of atoms held together by covalent bonding that acts as an independent unit.
1
Categorize the items below.
Categorize the items below.
- H2
- H2O
- N2
- NaCl
- Compound
- Molecule
1
A chemical bond formed when two atoms share one or more pairs of valence electrons.
A chemical bond formed when two atoms share one or more pairs of valence electrons.
1
How does an atom (other than helium) with less than 8 valence electrons become stable?
How does an atom (other than helium) with less than 8 valence electrons become stable?
1
Which one has the stronger bond?
Which one has the stronger bond?
1
How many atoms make up this compound?
How many atoms make up this compound?
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How many valence electrons are shared in each covalent bond?
How many valence electrons are shared in each covalent bond?
1
What kind of chemical bonding is taking place with Bromide?
What kind of chemical bonding is taking place with Bromide?
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A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons.
A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons.
1
Polar molecule dissolves into a _________________ molecule.
Polar molecule dissolves into a _________________ molecule.
1
A group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound
A group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound
1
How many atoms of oxygen are there in H₂O₂
How many atoms of oxygen are there in H₂O₂
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How many atoms of hydrogen are there in HCOOH₂ ?
How many atoms of hydrogen are there in HCOOH₂ ?
1
Why is water polar?
Why is water polar?