yes
Neither. Argon is naturally occurring noble gas
Silver is a naturally occurring metal. It is an element in the Periodic Table.
Sodium is a naturally occurring element that is found in the Earth's crust and in various minerals. It is commonly obtained by the electrolysis of salt water.
"Synthetic" refers to something that is artificially created rather than naturally occurring. It is often used to describe products or materials that are man-made through chemical processes or industrial methods.
Titanium dioxide, also known as titanium(IV) oxideor titania, is the naturally occurring oxide of titanium, chemical formula TiO2.
Gold-198 is not naturally occuring.
Synthetic
Gold-198 is not naturally occuring.
Neither. Argon is naturally occurring noble gas
No, gold is a naturally occurring mineral element.
No, barium is a naturally occurring chemical element found in minerals such as barite and witherite. It is not a synthetic element.
Sulphur (aka sulfur) is a naturally-occurring substance.
Naturally occurring, Uranium. Synthetic, to be determined.
Silver is a naturally occurring metal. It is an element in the Periodic Table.
Sodium is a naturally occurring element that is found in the Earth's crust and in various minerals. It is commonly obtained by the electrolysis of salt water.
Boron is a naturally occurring element found in the Earth's crust. It is not a synthetic material.
It occurs naturally on earth, but not as native metal as gold does. It must be extracted from ores.