Atoms n stuff Flashcards
1
Q
What are the three phases of matter
A
Liquid
Gas
Solid
2
Q
What is solute
A
Substance whose particles are dissolved in a solution
3
Q
What is a solvent?
A
Substance in which a solute dissolves.
It is water in most cases
4
Q
Bunser burner
A
The piece of equipment to light the burner is called striker
5
Q
Atomic # = ?
A
Atomic # = number of protons and electrons
6
Q
What is a covalent bond
A
A bond between 2 non metals
7
Q
What is ionic bond
A
A bond between a metal and a non metal
8
Q
Why are noble gases stable
A
They dont bond because they have 8 valence electrons
9
Q
What is the octect rule?
A
Atoms gain, lose or share electrons so they have 8 valence electrons
10
Q
How are ionic and covalent bonds different?
A
Covalent bonds share electrons and ionic bonds transfer or lose electrons
