Chemical Bonding Answers

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What information is shown in an atom’s electron dot diagram?

A
the number of shells an atom has
B
the number of electrons in each shell of an atom
C
the number of valence electrons an atom has
D
the number of valence shells of an atom
3

✔ 1234

A
✔ 1
B
2
C
3
D
4
4

1✔ 234

A
1
B
✔ 2
C
3
D
4
73410

covalent✔ ionicmetallic

Answers:
Calcium chloride is used to make pickles. The calcium atom transfers electrons to chlorine atoms, leading to the formation of chemical bonds. Calcium chloride contains bonds.:ionic
Copper atoms are used to produce pennies. The copper atoms in pennies share many electrons. Pennies contain bonds.:metallic
Hydrochloric acid is the main acid that helps break down food in the stomach. The atoms of hydrochloric acid share electrons. Hydrochloric acid contains bonds.:covalent
73411

covalentionic✔ metallic

A
covalent
B
ionic
C
✔ metallic
73412

✔ covalentionicmetallic

A
✔ covalent
B
ionic
C
metallic
73413

Order the steps to take when drawing electron dot diagrams.

Answers:
Draw dots around the chemical symbol to represent the valence electrons of the atom.:3
Use the periodic table to find the chemical symbol of the atom and the number of electrons in the valence shell.:1
Write the chemical symbol of the atom.:2
73417

Complete the passage to describe how electrons are represented in electron dot diagrams.

Answers:
The maximum number of dots an electron dot diagram can have is . The maximum number of dots drawn on a side of a chemical symbol in an electron dot diagram is .:eight
The maximum number of dots an electron dot diagram can have is . The maximum number of dots drawn on a side of a chemical symbol in an electron dot diagram is .:two
73418

✔ twofoursixeight

A
✔ two
B
four
C
six
D
eight

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