1. Answers Math Minute 1 1. 3 5 of 25= 2. Three times a number is –18.
What is the number?
3. Find the perimeter of the regular hexagon ft. 2 in.
4. 20% of 35 =
5. Choose all answers equal to 80%.
a b c d
6. Simplify: b2 • b • b =
7. Which of the following is the greatest number?
a b. 65% c d. 0.60
8. Evelynn goes to a restaurant and her bill is $12. She wants to leave a 15% tip. How much should she leave for the tip?
9. What percent is 3 5 ?
10. 4 • |−8| =
Answers

2. Atoms and Isotopes: Practice August 28, 2017
Today’s Agenda:
Bell Work/Word Wall
Check Notebooks
Practice
Exit Ticket
14. dispense: to give or provide specific amounts.
15. emit: to give off.

3. Practice Example
For the element given, assuming it is neutral, complete the following:
For Carbon:
Draw the box as seen on the periodic table
How many protons?
How many neutrons?
How many electrons?
Atomic Weight?
Mass number?
Write in symbol notation
Write in hyphen notation

4. Practice Parameters You may work in groups of no more than 2.
You may use your periodic table and notes.
You may not use your phone.
Make sure your name is on your paper!

5. Practice Magnesium Oxygen Argon Silicon Nitrogen Helium Aluminum Neon
For each element given, assuming it is neutral, complete the following:
Draw the box as seen on the periodic table
How many protons?
How many neutrons?
How many electrons?
Atomic Weight?
Mass number?
Write in symbol notation
Write in hyphen notation
Draw the Bohr Model
Magnesium
Oxygen
Argon
Silicon
Nitrogen
Helium
Aluminum
Neon

6. Exit Ticket
Turn in your paper!