Ca

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

In this food web example you can see that rain forests have many producers consumer and predators. How would you describe the rain forest biome?

• It has high biodiversity

• It has low biodiversity.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which habitat exhibits the greatest biodiversity?

• A habitat with 15 different species with about 300 individuals each

• A habitat with 10 different species with about 75 individuals each

• A habitat with 4 different species with about 150 individuals each

• A habitat with only one species with about 2000 individual

Tags

NGSS.MS-LS2-5

What is the atomic number of Calcium (Ca)?

• 18

• 20

• 22

• 24

Which of the following is the correct electron configuration for Calcium (Ca)?

Tags

NGSS.HS-PS1-1

Calcium (Ca) is essential for which of the following biological functions?

• Vision

• Blood clotting

• Oxygen transport

• DNA replication

What is the most common oxidation state of Calcium (Ca) in compounds?

• +1

• +2

• +3

• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following compounds contains Calcium (Ca)?

Tags

NGSS.MS-PS1-1

In the reaction @@ ext{CaCO}_3 ightarrow ext{CaO} + ext{CO}_2@@, what type of reaction is this?

• Synthesis

• Decomposition

• Single displacement

• Double displacement

What is the role of Calcium ions (Ca^{2+}) in muscle contraction?

• They bind to actin filaments

• They bind to myosin heads

• They trigger the release of neurotransmitters

• They bind to troponin, allowing actin and myosin interaction