Determining the Protons ,Electrons & Neutrons for Elements

If Hydrogen has an atomic number of 1 and a mass unit of 1 How many protons does it have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

If Helium has an atomic number of 2 and an atomic mass of 4. How many protons does it have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

The lithium element has an atomic number of 3 and an atomic mass of 7. How many protons does it have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

The element Beryllium has an atomic number of 4 and an atomic mass of 9. How many Protons?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

If Hydrogen has an atomic number of 1 and a mass unit of 1 How many electrons does it have

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

If Helium has an atomic number of 2 and an atomic mass of 4. How many electrons does it have?

• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-1

The lithium element has an atomic number of 3 and an atomic mass of 7. How many electrons does it have?

• 3

• 4

• 5

• 7

Tags

NGSS.MS-PS1-1

The lithium element has an atomic number of 3 and an atomic mass of 7. How many neutrons does it have? (To determine the neutrons you just subtract the atomic mass from the atomic number.)

• 3

• 4

• 5

• 7

Tags

NGSS.MS-PS1-1

If Hydrogen has an atomic number of 1 and a mass unit of 1 How many neutrons does it have?

• 1

• 0

• 2

• 3

Tags

NGSS.MS-PS1-1

If Helium has an atomic number of 2 and an atomic mass of 4. How many neutrons does it have?

• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-1