What would you notice about the dot diagram of an unstable element?
β

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Aman applies a force of 500n to push a truck 100m down the street how much does he do?

How many atoms are in 2 moles of phosphorus