4-1 Modeling Part 3 Size

Compare the sizes of the atoms in the same group.

Drag the labels to the correct positions on the diagram.

a

b

smallest

largest

Tags

NGSS.HS-PS1-1

​What happens to the number of Energy Levels an atom has as you move DOWN a Group(column)?

• Increases

• Decreases

• Stays the Same

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atom JUST BELOW this atom will be ​ (a)  

because it would have ​ (b)   Energy Level.

• larger
• one more
• one less
• smaller

Tags

NGSS.HS-PS1-1

The atom JUST ABOVE this atom will be ​ (a)   because it will have ​ (b)   Energy Level.

• smaller
• one fewer
• one more
• larger

Tags

NGSS.HS-PS1-1

The atom JUST ABOVE this atom will be ​ (a)   because it will have ​ (b)   Energy Level.

• smaller
• one less
• one more
• larger

Tags

NGSS.HS-PS1-1

The atom JUST BELOW this atom will be ​ (a)  

because it would have ​ (b)   Energy Level.

• larger
• one more
• one less
• smaller

Tags

NGSS.HS-PS1-1

The ​ (a)   charged nucleus is attracted to the ​ (b)   charged electrons zipping around in the electron cloud and ​ (c)  

• positively
• negatively
• pulls them closer.
• repels them.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

Decide which side has more/fewer protons and label the diagram accordingly.

a

b

fewer protons

more protons

Tags

NGSS.HS-PS1-8

​What happens to the number of protons in the nuclei as you move left to right ACROSS a PERIOD?

• Increases

• Decreases

• Stays the Same

Tags

NGSS.HS-PS1-1

Compare the sizes of the atoms across the period and label the diagram accordingly.

a

b

smaller atoms

larger atoms

Tags

NGSS.HS-PS1-1