Ions Flashcards
1
Q
What is an ion?
A
A charged particle, formed when an atom loses or gains electrons to get a full outer shell
2
Q
What are cations?
A
Positively charged ions
3
Q
What are anions?
A
Negatively charged ions
4
Q
What charge would a non-metal ion have?
A
A negative charge
5
Q
What charge would a metal ion have?
A
A positive charge
(A hydrogen ion would be positively charged also)
6
Q
(Exam-style question)
Magnesium is in group 2 of the periodic table and has the atomic number 12.
Calculate the number of electrons found in one magnesium ion.
A
10 electrons
7
Q
(Exam-style question)
Oxygen, an element in group 6 of the periodic table, has an atomic number of 8 and a mass number of 16.
How many protons, neutrons and electrons would an oxide ion have?
A
- Protons = 8
- Neutrons = 8
- Electrons = 10
8
Q
(Exam-style question)
A
