More cards in this set

Pick the correct combination for the charges of sub-atomic particles.

The atomic number of an element tells us...

The protons of an atom are found...

If an element has 56 protons, 56 electrons and 81 neutrons, what is its mass number?

What is the unit of resistance?

What can be found by measuring current and voltage?

How does camouflage help an animal to survive?

In order to survive, plants need: light, space, nutrients, water and what else?

Microorganisms have to compete with each other for what ?

Momentum is a property of what?