Chemistry

The atom you know

100

The middle of an atom

What is the nucleus?

200

Positively charged

What is protons?

300

Orbits the nucleus

What are electrons?

400

Lithium has an atomic number of 3 and an atomic mass of 7. Therefore, there are (____) neutrons.

There are 4 neutrons

500

There's an element on the periodic table with the atomic number of 4. What is this element?

What is Beryllium?

Potion making

100

MIXTURES can be separated using....

physical stuf