Quiz 2- Nomenclatures & Isotopes

How many neutrons does the isotope of Lithium have?

• 8

• 4

• 5

In a correctly written symbol what would be located in the "A" position?

• number of electrons

• mass number

• number of neutrons

What quantities vary between isotopes of an element?

• neutrons & atomic mass

• protons, neutrons & atomic number

• neutrons & electrons

Which atom has 4 neutrons?

• Li-6

• LI-7

• they have the same number of neutrons

Which of the following is true of Isotopes of an element?

• they have the same number of protons

• they have the same atomic mass

• they have the same number of rings

If X is the symbol for an element, which of the following two symbols represent isotopes of the same element?

I. ⁷⁷₃₅X

II. ⁷⁷₃₃X

III. ⁸¹₃₇X

IV. ⁸¹₃₅ X

• I and II

• I and IV

• I and III

An atom is electrically neutral when

• protons & neutrons are the same

• neutrons balance the protons & electrons

• protons & electrons are the same

How many protons does this isotope have?

• 48

• 26

• 22

How many neutrons does a Sodium 24 isotope have?

• 12

• 13

• 15

What is the name of the pictured isotope?

• Copper-34

• Copper-63

• CopperWopperHopperBopper