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8.5 B: Identity, Valence Electrons and Reactivity

Last updated over 3 years ago

5 questions

Note from the author:

Identification of atom using protons, valence electrons and reactivity (without use of the periodic table) 

Required

1

Required

1

Required

1

Required

1

Required

3

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?

Protons 

Neutrons 

Valence Electrons 

Mass Number

Atomic Number

Nucleus

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.

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