Nursing > HESI > HESI A2 CHEMISTRY QUESTIONS COMPLETE WITH ALL THE ANSWERS (LATEST UPDATE). (All)

HESI A2 CHEMISTRY QUESTIONS COMPLETE WITH ALL THE ANSWERS (LATEST UPDATE).

Document Content and Description Below

1. What are all metric measurements composed of? A. Metric prefix and a basic unit of measure B. A significand and a metric prefix C. A metric prefix and a coefficient D. A coefficient and a signi... ficand 2. What is the most commonly used temperature scale in the scientific community? A. Fahrenheit B. Celsius or Centigrade C. Kelvin D. English temperature method 3. The nucleus of an atom contains or is made up of which of the following? A. Protons and electrons B. Protons only C. Protons and neutrons D. Neutrons and electrons 4. What is an atom that has a positive charge called? A. A cathode B. A cation C. An anode D. An anion 5. In the periodic table, what are the rows called? A. Groups B. Moles C. Columns D. Periods 6. What is the atomic number? A. Number of neutrons B. Number of protons C. Number of electrons D. Number of isotopes 7. Which of the following describes the atomic mass? A. Mass of protons and electrons B. Mass of neutrons and electrons C. Average mass of that element’s isotopes D. Number of moles in a solution 8. Chemical equations are written in which manner? A. Product → Reactants B. Reactants → Products C. Reactants + Reactants D. Products + Reactants 9. What is the charge on potassium in the compound KCl? A. −1 B. +1 C. −2 D. +2 10. A catalyst is a substance that accelerates a reaction by which of the following? A. Adding energy to the overall reaction B. Increasing the amount of energy needed for the reaction to occur C. Finding an alternate pathway for a reaction that requires less energy D. Speeding up the overall reaction process 11. Percent concentration of a solution is expressed as which of the following? A. 100 parts per 100 dL B. Parts per 100 parts C. Parts of moles D. Moles per 100 parts 12. What will one liter of a one molar solution of any element contain? A. The atomic mass in grams of that element B. The atomic number in grams of that element C. The atomic mass in liters of that element D. The atomic number in liters of that element 13. Chemical bonding is the bonding of which of the following? A. One atom to another atom B. One mole to another mole C. A proton to an electron D. One cation to another cation 14. Which of the following describes an ionic bond? A. It shares electrons. B. It does not share electrons. C. It is sometimes called a covalent bond. D. It is the strongest of all chemical bonds. 15. The reaction 2C2H6 + 7O2 → 4CO2 + 6H2O has a ratio of 2 parts ethane (C2H6) and 7 parts oxygen (O2). How many parts of ethane (C2H6) will be needed to react with 21 parts of oxygen (O2)? A. 3 parts of ethane C2H6 B. 6 parts of ethane C2H6 C. 9 parts of ethane C2H6 D. 14 parts of ethane C2H6 [Show More]

Last document update: 1 month ago

Preview 1 out of 44 pages

Reviews( 0 )

HESI

$19.50

Add to cart

Instant download

OR

Can't Find what you want?

Post questions here
18
0

Document information


Connected school, study & course



About the document


Uploaded

1 month ago

Number of pages

44

Written in

All

Type

HESI

Seller


quiz guru

Member since 10 months ago

1 Documents Sold


Additional information

This document has been written for:

Course

Nursing

Paper Category

HESI

Uploaded

1 month ago

Downloads

 0

Views

 18

THE BEST STUDY GUIDES

Avoid resits and achieve higher grades with the best study guides, textbook notes, and class notes written by your fellow students

Avoid examination resits

Your fellow students know the appropriate material to use to deliver high quality content. With this great service and assistance from fellow students, you can become well prepared and avoid having to resits exams.

Get the best grades

Your fellow student knows the best materials to research on and use. This guarantee you the best grades in your examination. Your fellow students use high quality materials, textbooks and notes to ensure high quality

Earn from your notes

Get paid by selling your notes and study materials to other students. Earn alot of cash and help other students in study by providing them with appropriate and high quality study materials.

WHAT STUDENTS SAY ABOUT US


What is Browsegrades

In Browsegrades, a student can earn by offering help to other student. Students can help other students with materials by upploading their notes and earn money.

We are here to help

We're available through e-mail, Twitter, Facebook, and live chat.
 FAQ
 Questions? Leave a message!

Follow us on
 Twitter

Copyright © Browsegrades · High quality services·