Fill in the blanks: An alpha particle is often referred to as a nucleus and is made up of and ___ . It has a symbol in a chemical equation.

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw

What causes the appearance of lines in a emission spectrum