Greife auf kostenlose Karteikarten, Zusammenfassungen, Übungsaufgaben und Altklausuren für deinen Mattematik Kurs an der Lulea University of Technology zu.
1915
Karteikarten
79
Studierende
0
Lernmaterialien
Electrons...
Have a negative charge and a relative mass of 0.0005. They orbit the nucleus.
What is an atom?
An atom is the smallest particle of a substance that can exist. They have a neutral charge.
Elements are made up of...
only one type of atom.
Metals combine with non-metals by forming...
Ionic Bonds.
What are atoms made up of?
Atoms are made up of even smaller parts which are called subatomic particles.
The reactivity of Group 1...
increases as you go down the group.
What is the nucleus of an atom?
The nucleus is a region in the atom where the protons and neutrons are found.
Neutrons ...
Have no charge, and have a relative mass of 1. They are found in the nucleus.
Protons ...
Have a positive charge and a relative mass of 1. They are found in the nucleus.
The mass number shows...
the total number of protons and neutrons an atom contains.
A mixture is...
a material of two or more different substances, not chemically joined together.
A compound is...
a substance made from atoms of 2 or more elements. They are chemically combined.
Greife kostenlos auf tausende geteilte Karteikarten, Zusammenfassungen, Altklausuren und mehr zu.
Jetzt loslegen
