Chapter 4 Atoms

1. An atom is made up of even smaller particles called

Protons, neutrons, electrons

Numbers, symbols, levels

2. This subatomic particle has a positive charge.

Proton

Electron

Neutron

Atom

Submit

4. This subatomic particle has a negative charge.

Neutron

Electron

Proton

Isotope

5. Electrons are found

Inside nucleus

Outside nucleus

With protons

With neutrons

6. Which of the following particles has no electric charge?

Proton

Neutron

Electron

Ion

7. This has the same number of protons, but different numbers of neutrons.

Ions

Isotopes

Protons

Neutrons

8. The ? and ? are found in the nuclues.

Electrons and neutron

Protons and electrons

Protons and neutrons

Protons and electrons

9. These particles make up the mass of an atom.

Protons and neutrons

Electrons and neutrons

Protons and electrons

10. An atom has very little empty space.

True

False

11. The atomic theory first came about years ago.

2000 +

1

50

100

12. The word atom means?

Able to be cut

Invisible

Unable to be divided; uncuttable

Large particles

13. The Alkaline Earth Metals are classified as .

Metals

Nonmetals

Metalloids

14. Calculate the number of protons, neutron, and electrons in an atom of Beryllium which has an atomic number of 4 and an atomic mass of 9.

4, 4, 4

4, 5, 5

4, 5, 13

4, 5, 4

15. The Alkali Metals are group or family number .

2

13

1

18

16. The group contains the elements Boron, Aluminum, Gallium, Indium, Thallium, and Ununtrium.

Carbon

Oxygen

Transition

Boron

17. Aristotle discovered a particle that could not be cut and called this particle an atom.

True

False

18. How many protons does an atom with an atomic number of 23 and a mass number of 51 have?

23

28

51

74

Chapter 4 Atoms

1. An atom is made up of even smaller particles called

2.

What first name or nickname would you like us to use?

2. This subatomic particle has a positive charge.

3. By counting the number of protons, electrons and neutron, which element does this diagram represent (make sure you count the proton in the very back that you can barely see)?

4. This subatomic particle has a negative charge.

5. Electrons are found

6. Which of the following particles has no electric charge?

7. This has the same number of protons, but different numbers of neutrons.

8. The ? and ? are found in the nuclues.

9. These particles make up the mass of an atom.

10. An atom has very little empty space.

11. The atomic theory first came about years ago.

12. The word atom means?

13. The Alkaline Earth Metals are classified as .

14. Calculate the number of protons, neutron, and electrons in an atom of Beryllium which has an atomic number of 4 and an atomic mass of 9.

15. The Alkali Metals are group or family number .

16. The group contains the elements Boron, Aluminum, Gallium, Indium, Thallium, and Ununtrium.

17. Aristotle discovered a particle that could not be cut and called this particle an atom.

18. How many protons does an atom with an atomic number of 23 and a mass number of 51 have?