Name ___________________________________________________ Period _________
1. What is MATTER?
2. Explain the difference between an atom, a molecule and a compound?
3. Explain the difference between an ionic and covalent bond and give an example of each.
a. Which type of covalent bond is stronger? _____________________________
4. What is an ION?
a. A positively charged ion is called _____________
b. A negatively charged ion is called _____________
5. What is an ISOTOPE?
a. What is a Radioactive Isotope?
6. What is an atom made up of (what are the three subatomic particles)? And what charges do
they have?
Subatomic
Charge
Particle
7. What particle(s) are located in the center of an atom?
8. What particle(s) are orbiting around the center of an atom?
9. What takes up most of the space of an atom? ___________________________
a. WHY?
10. What takes up most of the mass? ____________________
a. WHY?
11. Draw a Magnesium atom.
24.305
Mg
12
12. Fill out the tables below with correct numbers according to the element Magnesium.
Drawing
Key
Subatomic
particle
Charge How many does
Mg have
How many bonds
will Mg make?
Mg’s Atomic Mass
Mg’s Atomic
Number
Valence
electrons
13. What is electronegativity?
14. What do the periods on the periodic table represent?
a. What happens to the electronegativity as you go from top to bottom on the periodic
table?
15. What do the groups on the periodic table represent?
a. What happens to the electronegativity as you go from left to right on the periodic table?