Unit 2 C1 DOL

Which statement about Moscovium is accurate?

• It is commonly found in nature

• It lasts for several minutes when created

• It exists only in laboratory conditions

• It is used in medical treatments

What is the definition of matter?

• Anything that takes up space and has mass

• A substance that is always a solid

• A liquid that can flow

• A gas that expands

What characterizes a mixture?

• Fixed composition of particles

• Two or more substances physically combined (variable composition)

• A single element

• A solid with a fixed shape

Which of the following is an example of an element?

• Water

• Helium

• Salt

• Air

Which of the following elements is stable as an individual atom?

• Helium

• Oxygen

• Nitrogen

• Hydrogen

Tags

NGSS.MS-PS1-1

How can compounds be broken down?

• By physical means

• By chemical reactions

• By heating

• By dissolving in water

Tags

NGSS.MS-PS1-5

Which of the following is an example of a compound?

• Oxygen (O₂)

• Carbon dioxide (CO₂)

• Nitrogen (N₂)

• Helium (He)

Tags

NGSS.MS-PS1-1

What is a characteristic of a heterogeneous mixture?

• Substances are evenly spread out

• Substances are not evenly spread out

• Components cannot be seen

• Components do not separate over time

What type of mixture is this?

• homogenous mixture
• chemical
• heterogeneous mixture 
• solid mix

Kool-Aid

• Element
• Compound
• Homogeneous Mixture
• Heterogeneous Mixture