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Compounds, Chemical Formulas, and Covalent Bonds
By Kyle Sheahon
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Last updated over 7 years ago
15 questions
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Question 1
1.
Made up of 2 or more different elements.
Molecule
Compound
Chemical
Mixture
Question 2
2.
A group of atoms held together by covalent bonding that acts as an independent unit.
Molecule
Compound
Mixture
Chemical
Question 3
3.
Categorize the items below.
H2
H2O
N2
NaCl
Compound
Molecule
Question 4
4.
A chemical bond formed when two atoms share one or more pairs of valence electrons.
Isotope bond
Ionic bond
Common bond
Covalent bond
Question 5
5.
How does an atom (other than helium) with less than 8 valence electrons become stable?
Question 6
6.
Which one has the stronger bond?
Oxygen
Nitrogen
Question 7
7.
How many atoms make up this compound?
24
6
6
12
Question 8
8.
How many valence electrons are shared in each covalent bond?
2
3
4
1
Question 9
9.
What kind of chemical bonding is taking place with Bromide?
Single bond
Quadruple bond
Triple bond
Double bond
Question 10
10.
A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons.
Nonpolar
Chemical equation
Polar
Compound
Question 11
11.
Polar molecule dissolves into a _________________ molecule.
polar
chemical
nonpolar
tripolar
Question 12
12.
A group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound
Structural formula
Dot diagram
Chemical equation
Chemical formula
Question 13
13.
How many atoms of oxygen are there in H₂O₂
3
4
2
1
Question 14
14.
How many atoms of hydrogen are there in HCOOH₂ ?
3
1
2
5
Question 15
15.
Why is water polar?