Exam (elaborations)

BIO 181 NAU- Exam 1 Study Guide Solutions

4 views 0 purchase

Course
Bio

Institution
Bio

BIO 181 NAU- Exam 1 Study Guide Solutions Matter - ANSWER-Anything that occupies space and has a mass Three Physical States of Matter - ANSWER-Solid, liquid, gas Element - ANSWER-Substance that cannot be broken down into other substances by chemical reactions Four elements that make up about ...

[Show more]

Preview 3 out of 16 pages

View example

Uploaded on October 30, 2024
Number of pages 16
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

bio 181 nau exam 1 study guide solutions

Institution Bio
Course Bio

CA$16.58

Added

Add to cart

Add to wishlist

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024

BIO 181 NAU- Exam 1 Study Guide

Solutions

Matter - ANSWER✔✔-Anything that occupies space and has a mass

Three Physical States of Matter - ANSWER✔✔-Solid, liquid, gas

Element - ANSWER✔✔-Substance that cannot be broken down into other substances by chemical

reactions

Four elements that make up about 96% of the weight and most cells: - ANSWER✔✔-Oxygen, carbon,

hydrogen, nitrogen

Atoms - ANSWER✔✔-The smallest functional units of matter that form ALL chemical substances

Three subatomic particles - ANSWER✔✔-Protons, Neutrons, Electrons

Protons - ANSWER✔✔-Positive charge, found in nucleus. Number of protons is what distinguishes one

element from another

Atomic number - ANSWER✔✔-How many protons are in an element

Mass number - ANSWER✔✔-sum of the number of protons and neutrons in its nucleus
Page 1/16

, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024

Isotopes - ANSWER✔✔-Forms of an element with different numbers of neutrons than protons. Ex;

Carbon 12 = 6 protons and 7 neutrons.

Gaining vs. Losing electrons - ANSWER✔✔-N+1 = Losing electron

N-1 = Gaining electron

Electrons = electronegative

Octet rule - ANSWER✔✔-Atoms are most stable when their outer shell is full. The outer shell has to be

filled with 8 electrons EXCEPT Hydrogen and Helium with just 2 electrons.

Valence Electrons - ANSWER✔✔-Electrons more likely to form bonds, taken away, or shared with other

atoms. Electrons in the outer shell

Compounds - ANSWER✔✔-Putting two elements together

Two types of chemical bonds - ANSWER✔✔-Ionic and covalent

Ionic Bonds - ANSWER✔✔-ELECTRON SWAP- formed between oppositely charged ions. Ex; NaCl

Ions (2 types) - ANSWER✔✔-Charged atoms

Cations: Have a net positive charge (+)

Anions: Have a net negative charge (-)

Page 2/16

, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024

Ionic - ANSWER✔✔-Something with a charge

Covalent Bond - ANSWER✔✔-Forms when two atoms SHARE one or more pairs of outer-shell electrons.

These bonds are the strongest of bonds.

Polar Molecules - ANSWER✔✔-An uneven distribution of charge Ex; H2O. Hydrogen are slightly positive,

oxygen is slightly negative.

Hydrogen Bond - ANSWER✔✔-A weak attraction between a partially positive hydrogen and a partially

negative atom like Oxygen. Causes cohesion

Cohesion - ANSWER✔✔-The tendency of molecules of the same kind to stick together. Ex; sipping

through a straw. In order for the water to be sucked up and stuck together is cohesion

Heat - ANSWER✔✔-The amount of energy associated wit hteh movement of the atoms and molecules in

a body of matter

Temperature - ANSWER✔✔-Measures the intensity of heat

Evaporative Cooling - ANSWER✔✔-Occurs when a substance evaporates and the surface of the liquid

remaining behind cools down. Ex; sweating

Aqueous Solution - ANSWER✔✔-When water is the solvent

Hydrophilic - ANSWER✔✔-Likes and will dissolve in water

Page 3/16

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Emillect. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$16.58. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75323 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling