Show:
Facts
Charges
Subatomic
Numbers
More Numbers!
100
This is the smallest part of an element.
What is an atom?
100
Objects with the same charge do this when they come close to each other.
What is repel?
100

Three subatomic particles.

What are protons, neutrons, and electrons?

100
The sum of protons and neutrons in the nucleus of an atom.
What is mass number?
100

The mass of a proton.

What is 1 AMU?

200
Neutrons are located outside of the nucleus. True or False?
False!
200
Objects with different charges do this when they come close to each other.
What is attract?
200
Located outside of the nucleus and have a negative charge.
What are electrons?
200
The number of protons in an atom of a certain element.
What is atomic number?
200

The charge of a neutron.

What is 0?

300
Electrons are located outside of the nucleus. True or False?
True!
300
When an atom gains an electron it has this kind of electrical charge.
What is negative?
300
Located inside of the nucleus and have a positive charge.
What are protons?
300

Oxygen has 8 protons and 9 neutrons and 9 elecrtrons what is its atomic mass.

What is 17 AMU?

300

The mass of an electron.

What is 0 AMU?

400
Protons and neutrons are about the same size. True or False?
True!
400
When an atom loses an electron it has this kind of electrical charge.
What is positive?
400
Atoms of different elements have different numbers of these.
What are protons?
400

Helium has 2 protons, 2 neutrons, and 1 electron.  What is its charge?

What is +1?

400

Boron has 5 protons, 4 neutrons, and 5 electrons, what is the atomic mass?

What is 9 AMU?

500
This is the smallest subatomic particle.
What is an electron?
500
An atom that is neither positively or negatively charged.
What is neutral?
500
An atom with the same number of protons but different number of neutrons.
What is an isotope?
500

Carbon has an atomic number of 6.  How many protons, neutrons, and electrons should it have?

What is 6?

500

Oxygen has 8 protons, 7 neutrons, and 10 electrons, what is its charge?

What is -2?