Atomic structure and Periodic table review

How many protons does helium have?

• 2

• 4

• 6

• 0

what is helium's atomic number?

• 2

• 4

• 6

What is helium's atomic mass?

• 2

• 4

• 6

how many protons and electrons does fluorine have?

• 9

• 19

• 28

What is fluorine's atomic number?

• 9

• 19

• 28

What is fluorine's atomic mass?

• 9

• 19

• 28

How many neutrons does fluorine have?

• 9

• 19

• 10

How many neutrons does boron have?

• 5

• 11

• 6

What is boron's atomic number?

• 5

• 11

• 6

What is boron's atomic mass?

• 5

• 11

• 6