Periodic Table

Question 1

H

Answer 1

Hydrogen

Question 2

He

Answer 2

Helium

Question 3

Li

Answer 3

Lithium

Question 4

Be

Answer 4

Beryllium

Question 5

B

Answer 5

Boron

Question 6

C

Answer 6

Carbon

Question 7

N

Answer 7

Nitrogen

Question 8

O

Answer 8

Oxygen

Question 9

F

Answer 9

Fluorine

Question 10

Ne

Answer 10

Neon

Question 11

Na

Answer 11

Sodium

Question 12

Mg

Answer 12

Magnesium

Question 13

Fe

Answer 13

Iron

Question 14

Ag

Answer 14

Silver

Question 15

Au

Answer 15

Gold

Question 16

What is Group 1A?

Answer 16

Alkali Metals

Question 17

What is Group 2A?

Answer 17

Alkaline Earth Metals

Question 18

What is Group 7A?

Answer 18

Halogens

Question 19

What is Group 8A?

Answer 19

Noble Gases

Question 20

Al

Answer 20

Aluminum

Question 21

Si

Answer 21

Silicon

Question 22

P

Answer 22

Phosphorus

Question 23

S

Answer 23

Sulfur

Question 24

Cl

Answer 24

Chlorine

Question 25

Ar

Answer 25

Argon

Question 26

K

Answer 26

Potassium

Question 27

Ca

Answer 27

Calcium

Question 28

Sc

Answer 28

Scandium

Question 29

Ti

Answer 29

Titanium

Question 30

V

Answer 30

Vanadium

Question 31

Cr

Answer 31

Chromium

Question 32

Mn

Answer 32

Manganese

Question 33

Co

Answer 33

Cobalt

Question 34

Ni

Answer 34

Nickel

Question 35

Cu

Answer 35

Copper

Question 36

Zn

Answer 36

Zinc

Question 37

Ga

Answer 37

Gallium

Question 38

Ge

Answer 38

Germanium

Question 39

As

Answer 39

Arsenic

Question 40

Se

Answer 40

Selenium

Question 41

Br

Answer 41

Bromine

Question 42

Kr

Answer 42

Krypton

Question 43

Rb

Answer 43

Rubidium

Question 44

Sr

Answer 44

Strontium

Question 45

Y

Answer 45

Yttrium

Question 46

Zr

Answer 46

Zirconium

Question 47

W

Answer 47

Tungsten

Question 48

Sn

Answer 48

Tin

Question 49

How can you tell if a compound is ionic?

Answer 49

If the compound has a non-metal element and a metal element

Question 50

What is a binary compound?

Answer 50

A binary compound consists of two different elements

Question 51

What is a feature stable isotopes?

Answer 51

Stable isotopes are not radioactive

Question 52

Nb

Answer 52

Niobium

Question 53

Mo

Answer 53

Molybdenum

Question 54

Tc

Answer 54

Technetium

Question 55

Ru

Answer 55

Ruthenium

Question 56

Rh

Answer 56

Rhodium

Question 57

Pd

Answer 57

Palladium

Question 58

Ag

Answer 58

Silver

Question 59

Cd

Answer 59

Cadmium

Question 60

In

Answer 60

Indium

Question 61

What is an ion?

Answer 61

An electrically charged particle

Question 62

What is a positively charged ion called?

Answer 62

Cation

Question 63

What is a negatively charged ion called?

Answer 63

Anion

Question 64

What is an isotope?

Answer 64

Are versions of an element that have the same number of protons but a different amount of neutrons (atomic mass will be changed)

Question 65

What does the mass number consist of?

Answer 65

The protons + neutrons = mass number

Question 66

What is a metalloid? (or semi-metal)

Answer 66

Is an element that has both metallic and non-metallic properties

Question 67

What are monatomic ions?

Answer 67

Are ions that contains only one atom

Question 68

What are polyatomic ions?

Answer 68

Are ions that contain more than one atom

Question 69

How can you tell if a compound is ionic?

Answer 69

If it has a metal and a non-metal element

Question 70

How can you tell if a compound is covalent ( also called molecular )

Answer 70

If it has only non-metal elements

Question 71

If you are given the natural abundance, how do you convert it to fractional abundance?

Answer 71

Divide the natural abundance by 100

Question 72

How do you find the atomic weight?

Answer 72

Isotopic mass x Fractional Abundance

Question 73

What is the unit for atomic weight?

Answer 73

amu (atomic mass unti)

Question 74

List the properties of ionic compounds.

Answer 74

• High boiling points
• High melting points
• Solids at room temp.
• Conduct electricity ( in molten states)
• Soluble in water

Question 75

List the properties of molecular (covalent) compounds.

Answer 75

• Low boiling points
• Low melting points
• Gases/liquids at room temp.
• Do no conduct electricity
• Insoluble in water, but are soluble in organic solvents

Question 76

What are hydrates?

Answer 76

Are compounds that contain water molecules that are weakly bound to the crystals

Question 77

Name an example of hydrate.

Answer 77

CaCl2.7H20 written as calcium chloride heptahydrate

Question 78

What does a triangle symbol mean in relation to chemical equations?

Answer 78

That the reaction had heat involved

Question 79

What does aq mean in relation to chemical equations?

Answer 79

Aqueous, meaning that the substance in dissolved in water