Biology 120 Notes (Part 2) Continuing the Discussion of Atoms and Other Molecules

studied byStudied by 3 people
0.0(0)
learn
LearnA personalized and smart learning plan
exam
Practice TestTake a test on your terms and definitions
spaced repetition
Spaced RepetitionScientifically backed study method
heart puzzle
Matching GameHow quick can you match all your cards?
flashcards
FlashcardsStudy terms and definitions

1 / 14

flashcard set

Earn XP

Description and Tags

Biology

15 Terms

1
Salts
________ are sold substances that usually sperate and exist as individual ions in water.
New cards
2
Electronegatives
________ describe the strength with which atoms pull electrons toward themselves.
New cards
3
Electrons
________ are not always shared equally.
New cards
4
hydrogen bond
A(n) ________ is a weak attraction between a slightly positive hydrogen atom and a slightly negative tom in another molecule.
New cards
5
Molecules
________ are atoms held together by chemical bonds.
New cards
6
Covalent bonds
________ are a type of bond that describes how electrons are shared.
New cards
7
octet rule
The ________ is a rule describing how a valence shell can only hold eight electrons (unless the atomic number is two or less .)
New cards
8
ionic bind
A(n) ________ forms when electrons are transferred from one atom to another.
New cards
9
ion
A(n) ________ is a charged atom.
New cards
10
Electrons
________ are attracted to the nucleus; it takes energy to hold ________ in place.
New cards
11
Covalent bonds
________ can either be polar or nonpolar.
New cards
12
Electrons
________ determine chemical behavior of atoms.
New cards
13
There are three types of covalent bonds which are called
ionic, covalent, and hydrogen
New cards
14
valence shell
The __________is the outermost energy shell.
New cards
15
Isotopes
__________ deal with neutrons in the atom.
New cards
robot