Subatomic particles
This subatomic particle has a positive charge and is found in the nucleus.
What is a proton?
This number tells you how many protons are in an atom.
What is the atomic number?
The maximum number of electrons that can fit in the first shell.
What is 2?
The smallest part of an element that can exist on its own.
What is an atom?
The name ending used for compounds with two elements, like sodium chloride.
What is “-ide”?
This subatomic particle has no charge and helps add mass to the atom.
What is a neutron?
In a neutral atom, this is the same as the number of protons.
What is the number of electrons?
The electron structure of an atom with 10 electrons.
What is 2,8?
Two or more atoms joined together.
What is a molecule?
The compound formed from magnesium and oxygen.
What is magnesium oxide?
This subatomic particle has a negative charge and moves around the nucleus.
What is an electron?
The atomic number of carbon
What is 6?
The electron structure of magnesium.
What is 2,8,2?
A substance made of two or more different elements chemically bonded.
What is a compound?
The name of the compound formed from calcium and chlorine.
What is calcium chloride?
The subatomic particle with the smallest mass.
What is an electron?
The number of neutrons in an atom of sodium with mass number 23 and atomic number 11.
What is 12?
The number of outer-shell electrons in an atom with electron structure 2,8,1.
What is 1?
Oxygen gas (O₂) is an example of this, not a compound.
What is a molecule?
The name ending used for compounds that contain oxygen and two other elements.
What is “-ate”?
This part of the atom contains protons and neutrons.
What is the nucleus?
The mass number of an atom that has 17 protons, 17 electrons and 18 neutrons.
What is 35?
The electron structure of an atom with atomic number 16.
What is 2,8,6?
Water (H₂O) is this type of substance because it contains hydrogen and oxygen.
What is a compound?
The correct name for a substance containing potassium, nitrogen and oxygen.
What is potassium nitrate?