Chemistry

Which of the following elements is a halogen?

The electronic configuration of an ion \(O^{2-}\) is:

What is the symbol for Antimony?

Elements in Group 1 are collectively known as:

What is the number of neutrons in an atom of Carbon-14?

Which element has the highest electronegativity?

Which element is used in the manufacture of computer chips?

The valence of an element with atomic number 17 is:

Which element has the Latin name 'Hydrargyrum'?

How many valence electrons are present in Nitrogen (Z=7)?

Which period of the periodic table contains only two elements?

What is the symbol for Tungsten?

The Modern Periodic Law states that properties of elements are periodic functions of their:

Which element is considered a chalcogen?

What is the atomic number of Potassium?

Which of these is the most reactive alkali metal?

Elements that show properties of both metals and non-metals are called:

What is the valency of Carbon?

Which element has the symbol 'Na'?

Which element is the most abundant metal in the Earth's crust?