Element.
hydrogen
Both. Viruses are naturally occurring organisms that have been around "forever". They have the ability to mutate or change themselves into new shapes and types sometimes using genetic material from more than one kind of virus, which would make them naturally occurring hybrids. They were not man-made.
A chemical element which have only one natural isotope.
An atom is the smallest piece of an element that can be identified as that element.
The hydrogen atom has 1 electron.
Elements
hydrogen
Elements
Element are the pure substances that contain atom of same kind. Atoms are fundamental particles of matter.
Natural calue
Water is not any kind of bond. Water is a molecule with polar covalent bonds occurring between the oxygen atom and two hydrogen atoms. Water molecules can form hydrogen bonds between them or with other substances.
Both. Viruses are naturally occurring organisms that have been around "forever". They have the ability to mutate or change themselves into new shapes and types sometimes using genetic material from more than one kind of virus, which would make them naturally occurring hybrids. They were not man-made.
If an unknown substance cannot be broken down into simpler substances it is made of one kind of atom and an element.
Atoms are the smallest piece of matter you can get. Elements have only one kind of atom in it.
A chemical element which have only one natural isotope.
Depends on the kind of beverage - tea or coffee-based drinks typically have naturally-occurring caffeine (unless specifically decaffeinated).
None...i think Atomic number 16 is Oxygen I think...chemistry was 40 years ago! If I remember correctly it's nucleus is composed of 16 protons and ONE neutron. Having one neutron is standard for all naturally occurring elements.