Atoms
This sub-atomic particle has a positive charge.
a proton
What are valence electrons?
Electrons that are on the outermost layer of an atom.
What's an anion?
negative ion.
What is the total charge if an ion has 3 protons and 2 electrons?
1+
This sub-atomic particle has a negative charge.
An electron
How many valence electrons does a Sodium (Na) atom have?
1 ve
What's a cation?
positive ion
What is the total charge if an ion has 8 protons and 10 electrons?
-2
Both protons and neutrons can be found in here.
The nucleus
How many valence electrons does a Magnesium (Mg) have?
2 ve
Is Na+ a cation or anion?
cation
What is the formula for Potassium bromide?
KBr
The place where electrons are found.
What are energy levels/electron orbitals?
How many valence electrons does a Fluorine (F) have?
7 ve
Is Br- a cation or anion?
anion
What is the chemical formula for Magnesium Fluoride?
MgF2
What are the 3 subatomic particles that make up an atom?
protons, neutrons, and electrons
How many valence electrons do all atoms want to have?
8 ve
If an atom LOSES an electron, will it become positive or negative?
positive (cation)
What is the chemical formula for Sodium Carbonate?
Na2CO3