Properties of Matter Quiz

Selenium has a larger atomic radius than Arsenic.

• Selenium has a larger atomic radius than Arsenic.

• Selenium has a smaller atomic radius than Arsenic.

• Selenium and Arsenic have the same atomic radius.

• Selenium's atomic radius is unknown.

Which element is smaller due to having fewer energy levels?

• Cesium

• Lithium

• Rubidium

• Francium

Which element is in Group 1 and Period 2?

• Cesium

• Lithium

• Rubidium

• Francium

Which element has a valence of 1?

• Li

• Be

• B

• C

What is the valence of the element O?

• 6

• 5

• 4

• 3

Which element has a valence of 3?

• B

• C

• N

• O

Which element belongs to the IVA or 14 family?

• C

• N

• O

• F

What is the valence of the element N?

• 5

• 4

• 3

• 2

What is the element shown in the diagram?

• Hydrogen

• Helium

• Oxygen

• Carbon

What does the term "valence electrons" refer to?

• Electrons in the innermost shell

• Electrons in the outermost shell

• Protons in the nucleus

• Neutrons in the nucleus