PS 1.2/1.4 Checkpoint

Match the following

• Monoatomic Element

• 
• Diatomic Element

• 
• Gas

• 
• Mixture

• 
• Compound

• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Organize these options into the right categories

Groups:

(a) Elements

,

(b) Compounds

• Sodium Chloride (NaCl)

• Iron (Fe

• Carbon Dioxide (CO₂)

• Nitrogen (N₂)

• Ozone (O₃)

• Water (H₂O)

Tags

NGSS.MS-PS1-1

When a sodium atom bonds with a chlorine atom, which is formed?

Element or Compound

Tags

NGSS.MS-PS1-5

The table shows minerals from the Earth's Crust.

Which mineral is a Monoatomic Element?

• hematite

• calcite

• quartz

• graphite

Tags

NGSS.MS-PS1-1

Find the three answers that are true.

Point to correct letters.

Tags

NGSS.MS-PS1-1

Researchers examined a sample of matter found on Mars. The image shows the sketch of that sample.

Which statement correctly describes the sample?

• This would be an Element because there are more than one type of atom.

• This is a Diatomic Element because there are two atoms of the same Element.

• This is a Compound because there are two atoms bonded in a set ratio.

• This is a Diatomic Element because there are two atoms of different elements.

Tags

NGSS.MS-PS1-1

Does the chemical equation shown support the Law of Conservation of Mass?

• Yes

  The amount of reactants and products are the same.

• No

  The product amounts are different than the reactants.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the equations below SUPPORT the Law of Conservation of Mass?

• 6 CO₂ + 6 H₂O ----> C₆H₁₂O₆ + 6 CO₂

• CO₂ + 6 H₂O ----> C₆H₁₂O₆ +

  6 CO₂

• CO₂ + H₂O ----> C₆H₁₂O₆ + CO₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Study the diagram of the chemical reaction shown.

How many Hydrogen atoms are needed on the Product side of the equation to support the Law of Conservation of Mass?

• 6

• 8

• 2

• 4

Tags

NGSS.MS-PS1-5

If a chemical reaction takes place in a CLOSED SYSTEM, how would you describe the reaction?

• The mass of the product is equal to the mass of the reactant.

• The mass of the product is greater than the mass of the reactant.

• The mass of the reactant and product will vary depending on temperature.

• The mass of the reactant is greater then the mass of the product.

Tags

NGSS.MS-PS1-5