Atoms
The meaning of the word atom.
What is indivisible?
Protons carry this type of charge.
What is positive?
This number is found in the top right corner of each element on the periodic table and represents the number of these in an element.
What is the atomic number?
What are protons?
These subatomic particles make up the nucleus of the atom.
What are protons and neutrons?
Neutrons carry this type of charge.
What is neutral?
The rows going across the periodic table are called this.
What are periods?
We measure atoms in these.
What are atomic mass units?
Electrons can't run away because they are ______ to protons.
What is attracted?
The columns on the periodic table are called this.
What are groups?
This is the overall charge of an atom.
What is zero?
Electrons _________ around the nucleus.
What is orbit?
Groups on the periodic table have similar __________________ __________________.
What are chemical properties?
The atomic mass units of protons, neutrons and electrons.
What are 1, 1 and 1/1836?
Protons, neutrons and electrons are referred to as ___________ ____________.
What are subatomic particles?
This man invented the periodic table.
Who is Mendeleyev?