2.1 Atomic Structure Flashcards
1
Q
Chemical elements
A
- 100+ known types
- Cannot be separated into simpler substances
2
Q
Atom’s subunits are
A
Protons, neutrons, electrons
3
Q
Electrons are located
A
Around the nucleus in orbitals
4
Q
How many electrons can fit in first orbit
A
2
5
Q
Second orbital has room for
A
8 electrons
6
Q
The reactivity of a chemical is dictated by
A
The number of electrons in the outer orbital
