Chapter 12

What element is used to make semiconductors for computers?

• Silicon

• Phosphorus

• Oxygen

• Nitrogen

What element is essential for manufacturing DNA and glow in the dark plastics?

• Silicon

• Phosphorus

• Oxygen

• Nitrogen

Most abundant element on earths crust is

• hydrogen

• carbon

• Oxygen

• Nitrogen

Tags

NGSS.MS-PS1-1

Most abundant element on earths atmosphere

• hydrogen

• carbon

• Oxygen

• Nitrogen

Most essential element for life on earth is

• hydrogen

• carbon

• Oxygen

• Nitrogen

Most abundamt element in the universe is:

• hydrogen

• carbon

• Oxygen

• Nitrogen

Tags

NGSS.HS-ESS1-2

What is the trend (periodicity) seen with boiling and melting points for the first 36 elements?

• Increases as you go down

• Decreases as you go up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The periodic table is organized based on the elements:

• Metals, non-metals, metaloides

• Glass, gold, diamonds

• rock, paper, scissors

What elements are liquids at room temperature

• Bromine and Mercury

• Carbon and Nitrogen

• Hydrogen and Helium

• Sodium and Magnesium

Tags

NGSS.MS-PS1-4

Where are the metalloids on the periodic table

• On the right side

• On the left side

• On the top

• On the bottom