Chemistry and the Elements

What is The Chemical Symbol for Beryllium?

• 4

• Be

• beryllium

• 9.012

All of the Following are Compounds EXCEPT:

• H₂O

• NaCl

• Fe

• CO₂

Tags

NGSS.MS-PS1-1

The difference between Compounds and Elements is:

• Compounds are a gas at room temperature.

• Elements only come from rocks.

• Compounds consist of 2 Elements chemically combined.

• All Elements are healthy for humans in consume.

What is the most common gas in the Atmosphere?

• Oxygen

• Carbon

• Nitrogen

• Argon

What is the smallest unit of matter?

• Atom

• Element

• Proton

• Chemical

In what sphere do you find the waters of the Earth?

• Lithosphere

• Ocenasphere

• Biosphere

• Hydrosphere

Tags

NGSS.MS-ESS2-4

Earth's crust contains a large amount of what Element?

• Nitrogen

• CArbon

• Phosphorous

• Oxygen

What two Elements are MOST abundant in salt water?

• Hydrogen and Oxygen

• Oxygen and Sodium

• Carbon and Sulfur

• Hydrogen and Carbon

In which shpere of the Earth would you place rocks?

• Hydrosphere

• Aerosphere

• Lithosphere

• Octoshpere

Tags

NGSS.MS-ESS2-1

What is an Element?

• Water

• A Pure Substance that cannot be broken down any further.

• A Pure Substance represented by a Chemical Formula.

• Fire