Atoms and Elements

The similar physical characteristic of Oxygen, Hydrogen and Nitrogen is....

There are only two elements that naturally state as liquid. They are....

Elements bigger and heavier than atom. Is the statement true or false?

The neutron number of the atom is...

The picture show one example of .... properties of elements.

The part of atom that has negative charged is...

Conductivity, color and smell are chemical properties of elements. Is the statement true or false?

The smallest unit of matter is....

Iron and titanium produces sparks when they were heated. Its shows the .... properties of elements.

The number of proton on this atom is...