Matter and Elements #6 Assessment

What is matter defined as in the text?

• Anything that occupies space and has weight.

• Only objects that can be seen and touched.

• Substances that can be broken down into simpler substances.

• Only liquids and gases.

Tags

NGSS.MS-PS1-5

According to the text, what can elements be broken down into?

• Simpler substances.

• Other elements.

• They cannot be broken down into anything simpler.

• Compounds.

What did Aristotle mistakenly believe to be elements?

• Water and fire.

• Hydrogen and oxygen.

• Earth and air.

• Water, fire, earth, and air.

How many elements are known to scientists today, as mentioned in the text?

• Over 100 elements.

• Exactly 112 elements.

• Just over 112 elements.

• Less than 100 elements.

What is a key property of elements regarding their state at room temperature?

• Most are gases.

• Most are liquids.

• Most are solids.

• All are gases.

What are metals known for in terms of their physical properties?

• Dullness and brittleness

• Shiny luster, conductivity, and flexibility

• Being poor conductors

• Having properties between metals and nonmetals

Which of the following is NOT a characteristic of nonmetals?

• Shiny luster

• Being dull

• Brittleness

• Poor conductivity

What are metalloids?

• Elements that can be cut into smaller pieces

• Elements that share properties between metals and nonmetals

• The smallest unit of an element

• Elements that are shiny and flexible

According to John Dalton's early 19th-century theory, what are elements made of?

• Molecules

• Tiny indivisible particles

• Interchangeable particles

• Large divisible particles

What is an atom?

• A type of element

• A compound

• The smallest unit of an element that retains the properties of that element

• A particle that can be divided

Tags

NGSS.MS-PS1-1