Helium is the lightest monatomic element is this a chemical property

What two states of matter are found during melting

When is the small size of gas particles taken into account?

How many atoms of each element are in Copper Sulfate (CuSO4) ? Name the elements and the number of atoms for each element.

What is the name of SnF2

4 examples of bases

A covalent bond between two atoms occurs when the atoms

Structural formula and type of reaction for each a) 4-nonene and fluorine b) hexane and oxygen gas c) pentanol and butanoic acid d) propane and hydrogen gas

Which statement is true for a pure compound but NOT true for a pure element?

Which one is uncelluar and which is multicelluar? crab or pond organism

An atom of lithium loses an electron. What is the effect of this event? Group of answer choices The atom of a different element is formed. The atom of lithium acquires no charge. The atom of lithium becomes a positively charged ion.