A subatomic particle with a positive charge.
What is a proton?
This energy level holds a maximum of 2 electrons.
What is the first energy level?
This element has 3 protons.
What is Lithium?
Two protons will _______ each other.
What is repel?
The number representing how many protons an element has.
What is the atomic number?
A subatomic particle with a negative charge.
What is Hydrogen?
This element has 8 electrons.
What is Oxygen?
What is attract?
The number you get by adding the number of protons and neutrons in an element together.
A subatomic particle with a neutral charge.
What is a neutron?
This element has 3 electrons in the second energy level.
What is Boron?
This element has 30 neutrons.
What is Nickel?
Two electrons will ________ each other.
What is repel?
These electrons are found in the highest energy level of an atom.
What are valence electrons?
Made up of protons and neutrons, this is the center of an atom.
What is the nucleus?
This element has 7 electrons in the third energy level.
What is Chlorine?
This element has 7 more electrons than Sodium.
What is Argon?
A nucleus would quickly fall apart due to repulsion if this particle was removed.
What are neutrons?
Another name for columns on the periodic table.
What are groups?
The different areas of varying distances that electrons orbit around the nucleus.
What are energy levels?
This element has 1 electron in the fourth energy level.
What is potassium?
This element has 3 more neutrons than Phosphorus.
What is Chlorine?
When orbiting a nucleus, electrons remain evenly spaced apart due to this force.
What is repulsion?
Another name for rows on the periodic table.
What are periods?