Chapter 2 Chemical Level of Organization Flashcards Preview

A&P 1 > Chapter 2 Chemical Level of Organization > Flashcards

Flashcards in Chapter 2 Chemical Level of Organization Deck (103)
Loading flashcards...
1

Smallest stable units of matter made up of "subatomic particles"

Atoms

2

What are the 3 subatomic particles.

-Protons
-Neutrons
-Electrons

3

Which subatomic particles are the same size and mass?

-neutrons and protons

4

Smaller subatomic particle.

-electron

5

Atoms contain a equal number of what subatomic particles.

-Protons and electrons

6

A equal number of protons and electron give the atom a what charge?

Neutral

7

Which subatomic particles are located in the nucleus

Protons & Neutrons

8

The pathway that an electron follows around the nucleus.

Orbits

9

The electron orbit and proton-neutron nucleus make up what?

Electron cloud

10

The number of protons is known as the ______.

Atomic number

11

The total number of protons and neutrons is known as the ______.

Atomic mass

12

The layering of electrons around the nucleus.

Shell

13

Atoms are classified by the number of protons into groups called ______.

Elements

14

Two or more elements are combined to form _____ _____.

Chemical compounds

15

How many elements are in the human body?

26
13 in large quantities
13 in small quantities

16

Created in nature by adding additional neutrons to nucleus of element.

Isotopes

17

Isotopes that emit subatomic paticles or radiation from its nucleus.

Radioisotopes

18

This is the time it takes for the radioisotope to breakdown or degrade by half of its original strength.

Half life

19

Quantity of an element that is equal to the elements atomic weight.

Mole

20

Elements that do not react with other atoms are said to be _____. Outer shell is complete.

Inert/Stable

21

Elements that interact with other elements are called _____.

Reactive

22

What are the types of chemical bonds?

-Ionic bonds
-Covalent bonds
-Hydrogen bonds

23

Strong bond when compounds are in solid form but weak when in liquid form.

Ionic bond

24

Two types of ions?

-Anion
-Cation

25

Negatively charged atom.

Anion

26

Positively charged atom.

Cation

27

One atom will lose an electron (electron donor)

Cation (+)

28

One atom will gain an electron (electron acceptor)

Anion (-)

29

Strong bond in which two atoms can complete their outer shell by sharing electrons. Strong bond. Can be single, double, or triple.

Covalent bonds

30

What are the 2 types of covalent bonds?

Non-polar
Polar