Subatomic Particles and Atomic Structure

Subatomic Particles and Atomic Structure

Assessment

Interactive Video

Physics, Chemistry, Science

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This tutorial covers the structure of atoms, focusing on subatomic particles like protons, neutrons, and electrons. It explains atomic mass, electrical charge, and the concept of isotopes. The video also compares the electron cloud model and the Bohr model, highlighting their usefulness in understanding atomic interactions.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the shape of an atom?

Spherical

Cubical

Pyramidal

Cylindrical

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subatomic particle has a positive charge?

Photon

Electron

Proton

Neutron

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate mass of an electron in atomic mass units (AMU)?

1 AMU

0.5 AMU

0.005 AMU

0.1 AMU

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for atoms of the same element with different numbers of neutrons?

Ions

Isotopes

Compounds

Molecules

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic number of an element?

The number of protons

The number of electrons

The total mass of the atom

The number of neutrons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which model of the atom shows electrons in different energy levels?

Dalton model

Rutherford model

Thomson model

Bohr model

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Bohr model, what are the electrons in the outermost shell called?

Core electrons

Bound electrons

Valence electrons

Free electrons

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