Basic Integrated Science - Unit 2 Test

What is this element's name?

• 7

• N

• Nitrogen

• 14.007

What is this element's symbol?

• 7

• N

• Nitrogen

• 14.007

What is this element's atomic number?

• 7

• N

• Nitrogen

• 14.007

What is this element's atomic mass?

• 7

• N

• Nitrogen

• 14.007

How many protons does this element have?

• 1

• 7

• 14

• .007

How many electrons would this element have?

• 4

• 5

• 6

• 7

Which particles orbit around the nucleus?

• protons

• neutrons

• electrons

• megatrons

To find the atomic mass of an isotope, you add all of the particles in the nucleus together. So, to find the atomic mass, you add the....

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons

How many protons does this isotope of nitrogen have?

• 15

• 2,000

• 0

• All isotopes of nitrogen have 7 protons, silly!

If all isotopes of nitrogen have 7 protons, how many neutrons does nitrogen-15 have?

• 6

• 7

• 8

• 9