break down food into smaller molecules the body can use; absorb molecules into blood and carry them throughout the body; eliminate wastes from the body
I’m pretty sure it’s in a group (column) of the period table. Hope this helps :)))
Answer:
The true statement is:
They are formed when atoms of different elements combine.
Explanation:
Compounds are formed when atoms of different elements combine.
Atoms of different elements combine with each other to attain stable electronic configuration.
The atoms can combine with each other in two different ways:
1) By sharing the electrons
2) By exchanging electrons
When they share electrons with each other, they form a covalent bond.
When they exchange electrons, they form an ionic bond.
You can see a physical change always but not always a chemical
Basically all it is a nucleus splitting into smaller fragments and these fragments are almost equal to half of the original mass
