INDLS ICP Chemistry Unit 5: Elements

Anika is studying the Periodic Table and comes across the element Neon. She wants to know how many protons are in the nucleus of one atom of neon based on this information found in its Periodic Table Symbol. Can you help her?

• 10

• 20

• 20.18

• 30.18

Aria is studying the periodic table in her chemistry class. She learns that the atomic number of an element is crucial for identifying it. What does the atomic number represent?

• number of protons in an atom

• total number of protons, neutrons, and electrons in an atom

• number of electrons in an atom

• mass of an atom

David is learning about elements in his science class. He wonders why oxygen is considered an element.

• It combines with hydrogen.

• It burns.

• It cannot be broken down into a simpler substance through chemical means.

• It is essential to life.

During a science class, Oliver and Ethan were discussing how elements are formed in the universe. How do elements form?

• through the evaporation of seawater

• through chemical reactions

• through the cooling of molten lava

• through fusion in stars and supernova

Zoe and Evelyn are studying the Periodic Table for their chemistry class. They need to identify which group highlights metalloids in the illustration of the Periodic Table. Can you help them?

• a. A

• b. B

• c. C

• d. D

Abigail is studying the outer shell of atoms in Group D on her illustration of the Periodic Table. What best describes these outer shells?

• Are half full

• Are empty

• Are full

• Need 1 more electron to be full

William and Arjun are studying the periodic table. Which group highlights nonmetals?

• a. A and B

• b. A and C

• c. C and D

• d. B and D

In Charlotte's chemistry class, she learned that the rows of the periodic table, which indicate how many energy levels elements have in that row, are called a ___________________.

• Region

• Group

• Period

• Family

Harper is organizing her chemistry notes and wants to label the first group on the periodic table. What is the name of this group?

• Transition metals

• Noble gases

• Alkali metals

• Halogens

In a classroom experiment, Ava observed that certain materials easily give up electrons. Which type of materials did she most likely observe?

• Metals

• non metals

• metalloids

• none of the above