Known to be a "lazy" element.

He suggested the system of chemical/element symbols.

The most abundant element or gas in the atmosphere is_______.

If someone lacks this essential element, a goiter may be acquired.

A gas that everyone needs for breathing.

This element helps in the production of hemoglobin and helps prevent anemia.

Which element was derived from the name of a celestial body?

Which is the correct element symbol of CALCIUM?

Au is the element symbol of________.

Ferrum is the latin name of what element?

Which is the correct symbol for the element POTASSIUM?

The most abundant element in the earth's crust is Nitrogen.

At present, how many elements are naturally occurring on Earth?

The symbols for Nitrogen, Silver and Sodium are________.