Ben Youre Gonna Be A Doctor

Question 1

What is the atomic number?

Answer 1

The number of protons Jin the atomic nucleus

Question 2

What is an electron?

Answer 2

A negatively charged subatomic particle

Question 3

Define an element

Answer 3

A pure substance that consists only of atoms with the same number of protons

Question 4

Isotopes are:

Answer 4

Forms of an element that differ in the number of neutrons their atoms carry

Question 5

What is the mass number

Answer 5

The mass number of an isotope is the total number of protons and neutrons in the atomic nucleus

Question 6

Define a neutron

Answer 6

An uncharged subatomic particle that occurs in the atomic nucleus

Question 7

What is the nucleus

Answer 7

The central core of an atom

Question 8

Define the periodic table

Answer 8

The tabular arrangement of all known elements by their atomic number

Question 9

What is a proton

Answer 9

A positively charged subatomic particle that occurs in the nucleus of all atoms

Question 10

Radioactive decay is…

Answer 10

The process in which an atom emits energy and or subatomic particles when its nucleus spontaneously breaks up

Question 11

What is a Radioisotope

Answer 11

An isotope with an unstable nucleus

Question 12

What is a tracer

Answer 12

A Tracer is a substance with a detectable component

Question 13

What are free radicals

Answer 13

Free radicals are atoms with unpaired electrons

Question 14

Define an ION

Answer 14

And Ion is an atom or molecule that carries a net charge

Question 15

What are shell models

Answer 15

A model of electron distribution in an atom

Question 16

What is a chemical bond

Answer 16

An attractive force that arises between two atoms, when their electrons interact. These link atoms into molecules

Question 17

What is a compound

Answer 17

A molecule that has atoms of more than one element

Question 18

What is a covalent bond

Answer 18

A type of chemical bond in which two atoms share a pair of electrons

Question 19

Define electronegativity

Answer 19

The measure of the ability of an atom to pull electrons away from other atoms

Question 20

What is an Ionic bond

Answer 20

A type of chemical bond in which a strong mutual attraction links ions of opposite charge

Question 21

What is polarity

Answer 21

Any separation of charge into distinct positive and negative regions

Question 22

Define cohesion

Answer 22

The property of a substance that arises from the tendency of its molecules to resist separating from one another

Question 23

What is the concentration

Answer 23

The amount of solute per unit volume of solution

Question 24

Evaporation

Answer 24

The transition of a liquid to a vapor

Question 25

Hydrogen Bond

Answer 25

The attraction between a covalent lay bonded hydrogen atom and another atom taking part in a separate polar covalent bond

Question 26

Hydrophilic

Answer 26

This describes a substance that dissolves easily in water

Question 27

Hydrophobic

Answer 27

Describes a substance that resists dissolving in water

Question 28

Salt

Answer 28

Is a compound that releases ions other than (Hydrogen+) and (OH-) when it dissolves in water

Question 29

What is a solute

Answer 29

A dissolved substance

Question 30

What is a solution

Answer 30

A uniform mixture of solute completely dissolved in a solvent

Question 31

Solvent

Answer 31

A liquid in which other substances dissolves

Question 32

Temperature

Answer 32

The measure of molecular motion

Question 33

What is an acid

Answer 33

A substance that releases hydrogen ions in water

Question 34

What is a base

Answer 34

A substance that accepts hydrogen ions in water

Question 35

What is a base

Answer 35

A substance that accepts hydrogen ions in water

Question 36

Buffer

Answer 36

A set of chemicals that can keep the pH of a solution stable by alternately donating and accepting ions that contribute to pH

Question 37

PH

Answer 37

The measure of the number of hydrogen ions in a water based fluid