Goal 4 Practice

10 Questions | By Abrewingtonclint | Updated: Jan 23, 2013 | Attempts: 159

Questions

Settings

Share on Facebook Share on Twitter Share on Whatsapp Share on Pinterest Share on Email Copy to Clipboard Embed on your website

Practice EOG questions from Goal 4: Chemistry

Questions and Answers

1.

Which of the following elements has the greatest atomic mass?
- A.
  
  Hyrdogen
- B.
  
  Helium
- C.
  
  Oxygen
- D.
  
  Neon
Correct Answer
D. Neon

Explanation
Atomic mass is the number at the bottom of the box. Look up all four answer choices and then choose the answer with the highest number.

Rate this question:
2.

Noble gases are in Group 18. Which of the following is a chemical property of noble gases?
- A.
  
  Usually solids
- B.
  
  Reactive with Group 1
- C.
  
  Reactive with Group 2
- D.
  
  Inert
Correct Answer
D. Inert

Explanation
Noble gases do not participate in bonding because they have a full outer energy level.

Rate this question:
3.

75% of the elements on the Periodic table are
- A.
  
  Nonmetals
- B.
  
  Metals
- C.
  
  Gases
- D.
  
  Metalloids
Correct Answer
B. Metals

Explanation
Metals are the ones from the staircase line all the way to the left. This is most of the elements.

Rate this question:
4.

When a substance condenses, it go through what change of matter?
- A.
  
  Gas to solid
- B.
  
  Gas to liquid
- C.
  
  Liquid to solid
- D.
  
  Liquid to gas
Correct Answer
B. Gas to liquid

Explanation
This happens to make clouds, water vapor enters earth's atmosphere and then cools down comes together as it turns into liquid and makes a cloud.

Rate this question:
5.

Which of the following is not a way to separate mixtures?
- A.
  
  Evaporation
- B.
  
  Filtering
- C.
  
  Magnetic separation
- D.
  
  Stirring
Correct Answer
D. Stirring

Explanation
Stirring will not separate anything. When ever you get a "not" question look for the item that doesn't seem to have anything in common with the other choices.

Rate this question:
6.

Which of the following could be separated by physical means?
- A.
  
  Water
- B.
  
  Salt
- C.
  
  Salt water
- D.
  
  Dihydrogen oxide
Correct Answer
C. Salt water

Explanation
Since water molecules, salt and dihydrogen oxide are chemically combined they can not be separated physically. But the salt in salt water is not bonded to the water so you could separate them from each other by boiling.

Rate this question:
7.

Sodium chloride (NaCl) is an example of:
- A.
  
  Solution
- B.
  
  Compound
- C.
  
  Element
- D.
  
  Mixture
Correct Answer
B. Compound

Explanation
Solution is a liquid combined with a solid. Na by itself would be an element but since it is combined with Cl that is what makes it a compound. Since they are chemically combined they can not be a mixture.

Rate this question:
8.

Which of the following creates a solution?
- A.
  
  Making coolaid
- B.
  
  Salting rice
- C.
  
  Making a salad
- D.
  
  Melting ice
Correct Answer
A. Making coolaid

Explanation
The sugar and coolaid flavoring would get dissolved in the water.

Rate this question:
9.

Which of following elements would have the most similiar chemical properties?
- A.
  
  Hydrogen and lithium
- B.
  
  Hydrogen and helium
- C.
  
  Hydrogen and boron
- D.
  
  Boron and helium
Correct Answer
A. Hydrogen and lithium

Explanation
Elements from the same group/family (same vertical column) have the most similiar properties.

Rate this question:
10.

What can you do to prevent your exposure to chemical substances?
- A.
  
  Inhaling
- B.
  
  Touching
- C.
  
  Consuming
- D.
  
  Looking
Correct Answer
D. Looking

Explanation
Methods of exposure include: breathing in (inhaling), touching and consumption (eating or drinking).

Rate this question:

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Jan 23, 2013

Quiz Edited by
ProProfs Editorial Team
Mar 09, 2011

Quiz Created by
Abrewingtonclint

Goal 4 Practice

Which of the following elements has the greatest atomic mass?

Noble gases are in Group 18. Which of the following is a chemical property of noble gases?

75% of the elements on the Periodic table are

When a substance condenses, it go through what change of matter?

Which of the following is not a way to separate mixtures?

Which of the following could be separated by physical means?

Sodium chloride (NaCl) is an example of:

Which of the following creates a solution?

Which of following elements would have the most similiar chemical properties?

What can you do to prevent your exposure to chemical substances?