Chemistry Section Flashcards
1
Q
Atom
A
Single unit of matter composed of protons, electrons and neutrons.
2
Q
Molecule
A
2 or more atoms chemically bonded together (can be the same atoms or different).
3
Q
Compound
A
2 oe more different atoms chemically bonded together.
4
Q
Mixture
A
2 or more different atoms or molecules toegtehr but not chmeically bonded.
5
Q
Covalent Compound
A
Involve 2 non metals sharing pairs of electrons.
6
Q
Ionic Compounds
A
Involve a metal and a non metal. Metal donates electrons to the non metal. Charged ions are formed. Opposite ions attracted and form a bond.
7
Q
Make up a one mole solution of NaCl
A
Find the relative formula mass.
NaCl= 58.5
so a one mol solutions of NaCl contains 58.5g of NaCl is dissolved in 1L of solution.