Period Table

In each square on the periodic table of elements the number at the bottom is the

What category do the Iron Triads belong to?

• Nonmetals

• Metalloids

• Transition elements

Elements that share similar physical and chemical characteristics are called-------

• period

• group

• elements

The ___________ do not occur naturally on Earth. They are created by human manipulation

an atom with atomic number 6 would have how many protons 

• 6

• 12

• 3

• cannot be determined 

Tags

NGSS.MS-PS1-1

How many Electrons

• 2.5

• 5

• 6

• 10.81

Tags

NGSS.MS-PS1-1

Find a periodic table.  Look online or in your agenda.   How many neutrons does Aluminum have?

• 13

• 27

• 14

• 40

On a periodic table, find Na (sodium).  How many neutrons does it have?

• 11

• 22

• 23

• 12

Argon has how many neutrons?

• 18

• 39

• 40

• 22

Carbon has 6 protons. Carbon has an atomic mass of 12. How many neutrons does Carbon have?

• 12

• 0

• 2

• 6

Tags

NGSS.MS-PS1-1