Chemistry 8

If this Calcium atom has a charge of 0, how many electrons does it have?

(a)  

Tags

NGSS.MS-PS1-1

What is the Atomic Mass of Nitrogen?

(a)  

If we round Aluminum's Atomic Mass to the nearest whole number, how many neutrons does it have?

(a)  

Tags

NGSS.MS-PS1-1

If this Potassium atom has a net charge of +3, how many electrons does it have?

(a)  

Tags

NGSS.MS-PS1-1

Valence electrons are (select all that apply)

• Electrons in an atom's outermost shell/orbital

• Electrons that can be shared amongst atoms

• Electrons that can be given/collected between atoms

• All of the electrons in an element

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does an element in group 2 have

• 2

• Not enough information to say

• 1

• 3

How many valence electrons does an element in period 3 have?

• 1

• 2

• 3

• Not enough information to say

Elements in the same _________ have similar reactive properties

• Group

• Period

• Category

• Color

What do Lewis Dot Structures show?

• The total number of electrons an atom has

• The number of valence electrons an atom has

• The number of protons an atom has

• The total mass of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Draw the Lewis Dot Structure of Phosphorus (P)

Tags

NGSS.HS-PS1-1