Atoms Flashcards
1
Q
Positively charged particles that reside in the nucleus, the number of protons matches the number of electrons
A
Protons
2
Q
The centre of an atom, it is small and dense and has a positive charge and made up of protons and neutrons
A
Nucleus
3
Q
Atoms of the same element with a different number if neutrons
A
Isotope
4
Q
The way in which electrons are arranged around the nucleus
A
Electron configuration
5
Q
When an atom loses an electron and gains a positive charge
A
Cation
6
Q
When an atom gains an electron and has a negative charge
A
Anion
7
Q
The order of energy levels in an atom
A
1S 2S 2P 3S 3P 4S
8
Q
What to do for the title of a diagram
A
Underline the title
