ECM & PT review

The difference between elements and compounds is that...

• elements can be separated by physical means and compounds cannot.
• elements cannot be separated by physical means and compounds can.
• elements contain only one kind of atom and compounds contain more than one kind of atom.
• elements contain more than one kind of atom and compounds contain only one kind of atom.

Tags

NGSS.MS-PS1-1

Each column in the periodic table is called a

• period

• group/family

• cluster

• unit

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Tags

NGSS.HS-PS1-1

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Tags

NGSS.HS-PS1-1

How do we classify matter based on its particle composition?

• Solids, Liquids, Gases

• Elements, Compounds, Mixtures

• Metals, Nonmetals, Metalloids

• Mass, Density, Volume

Two or more substances placed together physically that maintains its own identity and characteristics. It is not evenly distributed and does not have the same composition.

• Element
• Compound
• Homogeneous Mixture
• Heterogeneous Mixture

Elements and compounds are similar because

• They are both homogeneous and heterogeneous mixture with the same particles.

• They are both types homogeneous and heterogeneous mixture with different particles.

• They are pure substances where each particle is different.

• They are pure substances where each particle is identical.

Which of the following is an example of a compound?

• a.  Sodium (Na)
• a.  Oxygen (O₂)
• a.  Chlorine (Cl)
• a.  Water (H₂O)

Tags

NGSS.MS-PS1-1

Sweet tea, lemonade, brass, and whole milk are examples of 

• Elements
• Compounds
• Mixtures

Carbon (C), Hydrogen (H), Flourine (Fl), Sodium (Na) are examples of 

• Elements
• Compounds
• Mixtures