WorksheetsChemical Octet Rule Lesson
Total questions: 26
Worksheet time: 23mins
The octet rule states that atoms are more stable when they
have more protons than electrons
have more electrons than protons
have a full outer shell
have a partial outer shell
What type of elements tend to form anions?
metals
nonmetals
metalloids
What type of atoms tend to form cations?
metals
nonmetals
metalloids
Anions have a ________ charge.
positve
negative
neutral
Cations have a __________ charge.
positive
negative
neutral
This atom will
lose 2 electrons
gain 2 electrons
lose 6 electrons
gain 6 electrons
do nothing
This atom will
lose 1 electron
gain 1 electron
lose 7 electrons
gain 7 electrons
do nothing
How many valence electrons does carbon have?
4
5
6
7
What is the goal of the Lewis Dot Structure?
To determine the electron position.
To show the element's valence electrons & bonding capabilities.
To find the atomic mass of an element.
To search for the number of electrons in an individual atom.
What are valence electrons?
The total number of electrons in an atom
The number of electrons in the outermost shell
The number of electrons in the second shell
The number of protons in the outermost shell
Which elements have the most similar chemical properties?
boron and carbon
oxygen and sulfur
aluminum and bromine
argon and silicon
What groups are the most reactive metals?
2 and 3
1 and 18
1 and 2
16 and 17
Why are halogens so reactive?
They want to get rid of their only valance electron
They only need one more electron
They are non reactive, they have a full shell
How many valence electrons does Helium have?
1
2
3
8
