The mass number of an atom is the number of _________ + the number of _______________
What are protons and neutrons ?
In a fire drill, this class would go to what location (be specific)
What is outside in front of the field house /tennis courts (end of sidewalk) ?
These particles have a negative charge and almost no weight
What are electrons ?
In a tornado drill, this class would head to what location ?
What is the band room ?
These particles are in the nucleus and have no charge
What are neutrons ?
The center of the atom (or the control center in most cells) is called this:
What is the nucleus ?
These particles are in the nucleus and have a positive charge
What are protons ?
There are 2 fire extinguishers (this room and storeroom), but you would have to go to Mrs. Wolf's room to get the fire ___________
What is blanket ?
If an atom has an equal number of protons and electrons, what will be its charge ?
What is zero (or no charge; none) ?
In an intruder (ALICE) drill, what are the main 2 choices to respond to the threat ?
What is evacuate or barricade ?