Anatomy & Physiology- Chemistry

As a percentage of body mass, ​ (a)   makes up 65%, ​ (b)   18.5%, ​ (c)   9.5% and ​ (d)   3.2%

• oxygen
• carbon
• hydrogen
• nitrogen

Colloids/emulsions are homogeneous

• T

• F

Suspensions are heterogenous

• T

• F

Match the following

• polar covelant

• unequal sharing of electrons

• non-polar covelant

• Complete transfer of electrons

• ionic

• equal sharing of electrons

Match the following

• non polar covelant

• NaCl

• polar covelant

• H20

• ionic

• C02

Tags

NGSS.MS-PS1-1

which of the following least fits the definition of a solute?

• Water

• calcium

• potassium

• sodium

dipole molecules are electrically balanced.

• T

• F

Tags

NGSS.MS-PS2-3

A bond in which electrons are shared unequally​ (a)  

• polar covalent bond
• non polar covalent
• hydrogen bonds
• non polar covalent bond
• ionic bond
• hydrogen bond

Tags

NGSS.HS-PS1-3

The outermost energy level of an atom is known as its

• valence shell

• energy shell

• orbital model

• electron shell

an ___ is the smallest particle of an element that still has the properties of the element

• Atom

• Molecule