Study Guide Chemistry First Semester Exam 2019

TERM 1: Skills & Information

Use the Periodic Table to find the number of protons, neutrons, and electrons using the mass number and atomic mass of the element. Remember the atomic number is the same as the protons and electrons and the mass number is equal to the protons + neutrons.

Fill in the blanks for the following elementsElement Atomic number Mass number # of protons # of electrons # of neutrons

Nitrogen 14

Potassium 19 22

16 34

23 37

Label the groups. alkali metals, halogens, noble gases. Circle the element that does not belong to any group.

TERM 2: CALCULATIONS SHOW WORK!!!Calories and Joules are measurements of: ______________________________________________a) Determine the number of Calories (kcal) and calories in 10 kiloJoules. 1 kcal = 4.184 kJ, 1000 cal = 1kcal

___________________ kcal ________________ cal

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Study Guide Chemistry First Semester Exam 2019

soup

% sodium in soup: _____________

% sodium in candy: ____________

6. Which one is better for someone with diabetes? Soup or candy? (circle the correct answer)

% sugar in soup: ______________

% sugar in candy: ______________

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1. How many grams of soup are in a can? ___________2. How many Calories in two cans of soup? ___________

3. Find the percent of Calories from fat in soup and in cherries: SHOW WORK

soup____________________

candy __________________4. Explain something that is false on the label for the cherries. Hint: read the ingredients.

5. Which one is better for someone with high blood pressure? Soup or candy? {circle the correct answer}Find the percent sodium in each and then report which one has more sodium per serving. [part mg sodium, whole: grams in one serving.]

Study Guide Chemistry First Semester Exam 2019

7. Use the label for Greedo’s cereal to answer next.

a) Nien Nunb, of the Sullustan species, needs 11 mg of Vitamin R2 each day. How many mg of R2 will he get in a serving of Greedo Crispys?

_____________________________________

How many bowls will he eat to get all his daily Vit R2

______________________________________

b) Watto, a Toydarian, needs 1300 mg of Vitamin C-3PO each day. How many mg of this Vitamin does he get per serving?

_________________________

How many bowls will he eat to get all his daily Vit C-3P

c) Which alien has to eat more cereal to get his daily amount of vitamins? Explain

_____________________________

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Study Guide Chemistry First Semester Exam 2019

Use your term 2 packet to fill in the following information

What vitamin cures scurvy? _______________ Foods that have this vitamin? __________________________

What vitamin cures night blindness? _______________

Which mineral prevents osteoporosis in adults? ________

Which mineral added to cereal can prevent anemia? ________________________________

Which mineral can prevent death when fasting? ________________________________

What is a measure of the energy(heat) given off by the food you eat? __________________________

Which food molecule is made of amino acids? __________________________________

What type of food molecule is glycogen? ______________________________________

Cellulose is another name for? ________________________________________

Too much of what type(s) of food molecule leads to heart disease? BE Specific

____________________________________________________________________________

What mineral do you have to avoid if you have high blood pressure? _____________________

What food additive do you have to watch if you have diabetes? _________________________

If you are trying to lose weight, you want to eat a lower amount of? ______________________

Classify the following foods as carbohydrates, unsaturated fats, saturated fats, or proteins:

grains: __________________________________ vegetables: ________________________

fruits: __________________________________ milk: _____________________________

meats/beans: _____________________________ oils: ______________________________

sugars: ________________________________ solid fats: __________________________

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