Chapter 6: periodic trends

Question 1

Demitri Medeleeve

Answer 1

Creates a 20 element periodic table
arranged from least to most mass
every 8 elements properties repeat-law of 8

Question 2

Law of 8

Answer 2

every 8 elements properties repeat.

Question 3

Law of medeleev

Answer 3

properties of elements are regular in cycles when elements are arranged in orger of increasing mass.

Question 4

Periodic Law

Answer 4

the physical and chemical properties of the elements are functions of their atomic #

Question 5

Alkali metals

Answer 5

Group 1

Question 6

Alkaline earth metals

Answer 6

group 2

Question 7

Chalcogens

Answer 7

group 16

Question 8

halogens

Answer 8

group 17

Question 9

noble gas

Answer 9

group 18

Question 10

main group elements

Answer 10

s and p block together

Question 11

likes to loose electrons

Answer 11

metals

Question 12

atomic radius trend

Answer 12

decrease across a period and increases down a group.

verticle change is more drastic

Question 13

ionization energy definition

Answer 13

amount of energy it takes to remove an electron from its ground state

Question 14

electron affinity definition

Answer 14

amount of energy it takes to add an electron

Question 15

Both ionization energy and electron affinity trend

Answer 15

decrease down a group, increase across a period

Question 16

Ionic size depends on…

Answer 16

nuclear charge, number of electrons, the orbitals.

Question 17

The first ionization energy is needed to ….

Answer 17

remove 1st electron

Question 18

the second ionization energy is needed to…

Answer 18

remove second electron

Question 19

electronegativity definition

Answer 19

the ability to attract electrons to an atom or the need to satisfy the octet.

Question 20

Electro negativity trend

Answer 20

the smaller it is= the higher

the bigger= the less

Question 21

Who has the highest electronegativity

Answer 21

Flourine