Periodic Trends Exam Review

Which element is a metalloid?

• Titanium
• Selenium
• Potassium
• Polonium

Tags

NGSS.HS-PS1-1

All of these properties describe metals except...

• malleable
• conductors
• brittle 
• shiny

Which element is least likely to conduct heat and electricity? 

• O
• Si
• Po
• Ca

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

Which of the given choices correctly shows the three main groups of elements listed from least conductivity to greatest conductivity?

• Metals, Nonmetals, Metalloids
• Nonmetals, Metalloids, Metals
• Metalloids, Metals, Nonmetals
• Nonmetals, Metals, Metalloids 

Gold is an element that is often used to make necklaces, rings, and other types of jewelry. What property of gold makes it useful in this way?

• Gold is a conductor

• Gold is an insulator

• Gold is malleable

• Gold has a high melting point

The table shows the properties of three classifications of elements. What are the best headings for columns A, B, and C?

• (A) Metals, (B) Nonmetals, and (C) Metalloids

• (A) Nonmetals, (B) Metalloids, and (C) Metals

• (A) Metals, (B) Metalloids, and (C) Nonmetals

• (A) Nonmetals, (B) Metals, and (C) Metalloids

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Students were given four unknown substances and asked to observe their characteristics. Their observations are shown in the table below. Which of the unknown substances is most likely metal?

• 1 and 4

• 2 and 5

• 1 and 3

• 2 and 4

Tags

NGSS.HS-PS1-3

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

How many valence electrons does Tin (Sn) have?

• 8

• 7

• 5

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these is incorrect?

• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2