Log in
Sign up for FREE
arrow_back
Library
8.5 B: Identity, Valence Electrons and Reactivity
By Jessica Cramer
star
star
star
star
star
Share
share
Last updated over 3 years ago
5 questions
Add this activity
Note from the author:
Required
1
SCI.8.5b
Required
1
SCI.8.5b
Required
1
SCI.8.5b
Required
1
SCI.8.5b
Required
3
SCI.8.5b
Identification of atom using protons, valence electrons and reactivity (without use of the periodic table)
Question 1
1.
What atom/element has 20 protons in the nucleus?
Question 2
2.
What subatomic particle is the arrow most likely pointing at?
Question 3
3.
Identify how many valence electrons are found in the atom model below.
Question 4
4.
Based on the atom model below, determine its reactivity.
Non reaction
Somewhat reactive
Very Reactive
Cannot determine
Question 5
5.
Protons
Neutrons
Valence Electrons
Mass Number
Atomic Number
Nucleus
Based on the atom model below, determine which statements accurately describe this atom.
This element is very reactive
This element is non reactive
This element is somewhat reactive
This element is Fluorine
This element is Potassium
This element has 9 protons
This element has a mass number of 28 amu
