Atomic Structure Quiz

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How many elements have scientists identified at present?

96

118 (correct)

85

100

Which element is a constituent of proteins and nucleic acids?

Phosphorus (P)

Oxygen (O)

Carbon (C)

Nitrogen (N) (correct)

Which element is essential for blood clotting and is a component of bones and teeth?

Sodium (Na)

Sulfur (S)

Potassium (K)

Calcium (Ca) (correct)

Which element is essential for ATP and phospholipids?

Phosphorus (P) Signup and view all the answers

Which element is essential for thyroxin in the thyroid?

Iodine (I) Signup and view all the answers

Which metal is an oxygen carrier in myoglobin and hemoglobin?

Iron (Fe) Signup and view all the answers

Which metal is essential for Vitamin B12 promoting red cell development?

Cobalt (Co) Signup and view all the answers

Which metal is a constituent of teeth and bones?

Fluorine (F) Signup and view all the answers

What is the role of selenium in living organisms?

Removal of active oxygen species Signup and view all the answers

How many unpaired electrons does Gd3+ ion have?

7 Signup and view all the answers

What is the maximum number of electrons that can be accommodated in the 3d subshell?

10 Signup and view all the answers

Which shell has the quantum number 'n' equal to 4?

N Signup and view all the answers

What is the role of manganese in living organisms?

Growth of bone Signup and view all the answers

Which subshell has 7 orbitals?

f Signup and view all the answers

What is the shorthand notation for the electron configuration 1s2 2s2 2p6 3s2 3p6?

Ar Signup and view all the answers

Which element is drawn with 4 valence electrons in the Lewis Dot structure?

Carbon (C) Signup and view all the answers

Atomic Structure Quiz

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