Unit 1 Science 6th

Which of the following correctly represents an element?

• CO₂-Carbon Dioxide

• Pb-Lead

• NO_{2-Nitrogen Dioxide}

• NH₃-Ammonia

Tags

NGSS.MS-PS1-1

What do elements and compounds have in common?

• They are both changes

• They are both found on the periodic table

• They are both pure substances

• They are both mixtures

Which of the following does NOT describe an element?

• They are pure substances

• They are chemicals

• They have one capital letter

• All of the above

Select all the following that describe an element

• A mixture of different chemicals

• One capital letter followed by a lower case

• One capital letter followed by a second capital letter

• Pure substance

• Can be found on periodic table

Select all from the following that are elements

• Pb

• O₂

• NO

• H

• H₂O

Look at the following chemical formula. Where are the products?

• To the left of the arrow

• To the right of the arrow

Tags

NGSS.MS-PS1-2

Look at the following chemical formula. Where are the reactants?

• To the left of the arrow

• To the right of the arrow

Tags

NGSS.MS-PS1-2

Look at the chemical formula. The products in the formula are best described as...

• Compounds

• Element

• Mixture

• Protons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the only element in this chemical formula?

• CH₄

• 2O₂

• CO₂

• 2H₂O

Tags

NGSS.MS-PS1-1

Select all that create a new substance

• Dissolving sugar into tea

• Formation of a precipitate

• Change of temperature

• Melting Ice

• Fizzing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5