Subatomic particles
This particle has a charge of ā1.
What is an electron?
The atomic number of oxygen.
What is 8?
The maximum number of electrons in the second shell.
What is 8?
An element made of only one type of atom.
What is an element?
The name of the compound formed from sodium and chlorine.
What is sodium chloride?
The particle with a relative mass of about 1 and no charge.
What is a neutron?
The number of electrons in a neutral atom of aluminium.
What is 13?
The electron structure of lithium.
What is 2,1?
Nitrogen gas (Nā) is made of molecules, not this.
What is an atom?
The name of the compound formed from calcium and oxygen.
What is calcium oxide?
The number of protons in a hydrogen atom.
What is 1?
The number of neutrons in an atom with atomic number 8 and mass number 16.
What is 8?
The electron structure of sodium.
What is 2,8,1?
Carbon dioxide is an example of this because it contains different elements bonded together.
What is a compound?
The name of the compound formed from copper and sulfur.
What is copper sulfide?
The two types of subatomic particles found in the nucleus.
What are protons and neutrons?
The mass number of an atom with 12 protons and 13 neutrons.
What is 25?
The number of shells used by an atom with electron structure 2,8,3.
What is 3?
A molecule made from atoms of the same element.
What is a molecule?
The name of the compound formed from sodium, carbon, and oxygen.
What is sodium carbonate?
The particle responsible for chemical reactions.
What is an electron?
The number of neutrons in chlorine-35.
What is 18?
The element with electron structure 2,8,2.
What is magnesium?
The term for substances that can be broken down into simpler substances by chemical reactions.
What are compounds?
The name for the substance containing oxygen, calcium and carbon.
What is calcium carbonate?