5-1: The Periodic Table

Question 1

Who created the first periodic table?

Answer 1

Mendeleev

Question 2

How did Mendeleev organize his periodic table?

Answer 2

By increasing atomic mass and similar properties

Question 3

How did Moseley organize his periodic table?

Answer 3

Increasing atomic number. (Current one)

Question 4

Group/Families

Answer 4

-vertical
-18 of them

Question 5

Periods/rows

Answer 5

-horizontal
-7 of them

Question 6

Name all metalloids

Answer 6

Boron
Silicon
Germanium
Antimony
Arsenic
Tellurium

Question 7

Where are metals and nonmetals placed on the periodic table?

Answer 7

Metals - left of the metalloids
Nonmetals - right of the metalloids

Question 8

Properties of metals

Answer 8

-ductile
-malleable
-conductors
-have luster
-2/3 of the periodic table

Question 9

Properties of non-metals

Answer 9

-brittle
-insulators (except graphite)
-lack luster

Question 10

What are the non-metals

Answer 10

SPONCH, Se, group 17 and 18

Question 11

Transition metals are _______

Answer 11

Colored

Question 12

What colors are most metals?

Answer 12

Silver

Question 13

Transition + ionic —> ?

Answer 13

Generally white; there are other possible colors

Question 14

Properties of semi-metals/metalloids

Answer 14

-have properties of metals and non-metals
-more likely to be a semiconductor
-luster depends on elements

Question 15

Ductile

Answer 15

Can be made into wires

Question 16

Malleable

Answer 16

Can be flattened out into thin sheets

Question 17

How many electrons are in a full shell?

Answer 17

8

Question 18

Metals ___ electrons while non-metals ___ electrons

Answer 18

lose; gain

Question 19

Allotropes

Answer 19

The property of some chemical elements to exist in two or more different forms
-have different physical properties
-have different chemical properties