Element, Compound, Mixture (LS: Chapter 3; US: Chapter 4)

Is salt (NaCI) a compound or a element

• Compound

• element

Tags

NGSS.MS-PS1-1

A pure substance...

• is an element or a compound
• is an element or a mixture
• is a compound or a mixture
• is a mixture

Tags

NGSS.MS-PS1-1

1 A substance made up of two or more elements chemically combined is —

• an element

• mixture

• compound

• solution

A substance that cannot be broken down into any other substance by ordinary chemical means is called —

• molecule

• mixture

• element

• compound

Two or more physically combined substances form —

• a compoud
• an acid
• an element
• a mixture

NaHCO₃ is an example of —

• an abbreviation
• a compound
• a mixture
• an element

Tags

NGSS.MS-PS1-1

What is an example of a mixture? (select all that applies)

• Table salt

• Salt water

• Oxygen

• Air

A substance made of only one type of atom is called —

• an element
• a mixture
• a compound
• a salt

Tags

NGSS.MS-PS1-1

Which of the following is a way in which elements and compounds are similar?

• Elements and compounds are pure substances.
• Elements and compounds are both made up of different kinds of atoms.
• Elements and compounds can both be broken down by physical means.
• Elements and compounds are listed on the periodic table.

What is an example of an element?

• Oxygen
• Pure water
• Air
• Table salt