Chemical Basis of Life: Atomic Structure Quiz

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What are the four elements that contribute to about 96% of the body's weight?

Mercury, Lead, Gold, Silver

Oxygen, Carbon, Hydrogen, Nitrogen (correct)

Silicon, Boron, Fluorine, Iodine

Iron, Zinc, Copper, Cobalt

Which category do trace elements like Iron and Zinc fall into?

Non-essential Trace Elements

Nutritionally Essential Trace Elements (correct)

Probably Essential Trace Elements

Toxic Trace Elements

What is the definition of a trace element in biochemistry?

An element not found naturally in the body

A dietary mineral required in very small quantities (correct)

A compound formed by combining two major elements

A major dietary mineral needed in large amounts

Which category do non-essential trace elements like Aluminum and Lead belong to?

Non-essential Trace Elements Signup and view all the answers

What is the main characteristic of nutritionally essential trace elements?

They are required in very small quantities Signup and view all the answers

What term is used to refer to a matter that is a combination of two or more elements?

Compound Signup and view all the answers

What is the central part of an atom called?

Atomic nucleus Signup and view all the answers

How are the masses of atomic particles typically measured?

Atomic mass unit Signup and view all the answers

What holds the structure of an atom together?

Attraction between protons and electrons Signup and view all the answers

What makes up the majority of an atom's volume?

Electron cloud Signup and view all the answers

Which particles in an atom are responsible for the positive charge?

Protons Signup and view all the answers

In what forms can matter be grouped?

Element and compound Signup and view all the answers

Chemical Basis of Life: Atomic Structure Quiz

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Questions and Answers

What are the four elements that contribute to about 96% of the body's weight?

Which category do trace elements like Iron and Zinc fall into?

What is the definition of a trace element in biochemistry?

Which category do non-essential trace elements like Aluminum and Lead belong to?

What is the main characteristic of nutritionally essential trace elements?

What term is used to refer to a matter that is a combination of two or more elements?

What is the central part of an atom called?

How are the masses of atomic particles typically measured?

What holds the structure of an atom together?

What makes up the majority of an atom's volume?

Which particles in an atom are responsible for the positive charge?

In what forms can matter be grouped?

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