Elements and Compounds Review

An example of matter made of only one element is

• water
• gold bar
• light bulb
• salad mixture

The smallest part of an element is

• proton
• atom
• compound
• mixture

Tags

NGSS.MS-PS1-1

What element is found in all four areas of the earth that we studied?

• Sodium (Na)
• Oxygen (O)
• Carbon (C)
• Nitrogen (N)

The two most common elements found in the oceans are.  Remember oceans are made up of water.

• Sodium and Nitrogen
• Oxygen and Aluminum
• Iron and Carbon
• Oxygen and Hydrogen

Tags

NGSS.MS-PS1-1

What is the most abundant element found in the earth's atmosphere?

• Oxygen
• Sulfur
• Nitrogen
• Argon

Tags

NGSS.MS-PS1-1

What element is essential (needed) for all Living Things but is not in the atmosphere?

• Iron (Fe)
• Carbon (C)
• Hydrogen (H)
• Argon (Ar)

The element that occurs in highest percentage in the crust is

• Calcium
• Oxygen
• Iron
• Potassium

Tags

NGSS.MS-PS1-1

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is

• a gas at room temperature.

• made up of two different elements.

• given off by green plants.

• useful to human beings.

Which of the following is the most abundant element on the Earth's crust?

• Calcium

• Iron

• Oxygen

• Potassium

All of the following elements are major components of living things on Earth EXCEPT

• nitrogen

• carbon

• sulfur

• oxygen