Periodic Table

Inside the sun, nuclear fusion creates helium nuclei from

Scientist who first organized the periodic table into families

Malleability means

An element that has a diatomic AND a triatomic form

Most reactive element on the periodic table

Of the following, the group that contains elements that are the most reactive is the

An element that exists in nature combined to itself is called

Most reactive metal family is

The atomic number of an atom is determined by the number of

An element that is found in all organisms

In the modern periodic table, elements are arranged

Which of the following belong in the same period?

Unlike metals, many non metals are

Scientist that came up with the 'atomic theory'

Which of the following is a metalloid?

Which of the following are metals?

Which of the following are noble gases?

Which of the following belong in the same group/family?

Unstable atomic nuclei that release fast moving particles and energy are

Ductility means