Understanding Isotopes and Atomic Structure

Understanding Isotopes and Atomic Structure

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Nancy Jackson

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What defines an isotope of an element?

Same number of neutrons, different protons

Same number of protons, different neutrons

Same number of protons and neutrons

Different number of protons and neutrons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do geologists use isotopes?

To determine the chemical composition of rocks

To calculate the age of ancient objects

To find the location of ancient artifacts

To predict future geological events

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atomic number of an element represent?

The total number of neutrons

The mass of the atom

The total number of electrons

The number of protons in the nucleus

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you calculate the number of neutrons in an atom?

Add the atomic number to the mass number

Divide the mass number by the atomic number

Subtract the atomic number from the mass number

Multiply the atomic number by the mass number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference in neutron count between carbon-12 and carbon-14?

Carbon-12 has two more neutrons

Carbon-14 has two more neutrons

They have the same number of neutrons

Carbon-14 has four more neutrons