Quick Definition Questions Flashcards
What is a molecule?
Two or more atoms joined together. There atoms may be the same or they may be different.
What is an atom?
Smallest particle of matter with a set composition.
What is an ion?
An atom that has lost or gained an electron and has an overall charge.
What is the charge and position of the following particles: Proton, Neutron and Electron?
Proton:
Charge = Positive
Position = nucleus
Neutron:
Charge = Neutral
Position = nucleus
Electron:
Charge = Negative
Position = shells
What is the definition of atomic number?
This is the number of protons in an atom.
What is the mass number?
This is the total number of protons and neutrons in an atom
Are the elements that lose electrons metals or non metals?
Metals
Why do metals lose electrons?
To gain full outer shell configurations.
What are covalent bonds?
A covalent Bond is formed when two or more atoms share electrons.
What is the nucleus?
The core of the atom, made of protons and neutrons
What is a proton?
A positively charged particle found in the nucleus.
What is a neutron?
A neutrally charged particle found in the nucleus
What is an atom?
Particles that make up all material, take part in reactions
What is an element?
A substance composed of atoms
What is a cation?
A cation is a positively charged ion.
What is an ionic bond?
And ionic bond is a bond that forms between a negatively charged anion and a positively charged cation.
What is a molecular compound?
A molecular compound is a molecule that is formed through covalent bonding.
What is a valence shell?
A valence shell is the outermost electron shell in an atom that contains electrons.
