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Flashcards in Chapter 6 Deck (21):
0

Organized periodic table by mass, properties repeated every eighth element

John newlands

1

Ordered elements by mass,predicted undiscovered elements and their properties

Dimitri Mendeleev

2

Discovered atomic number, gave current periodic table

Henry Mosley

3

What does the S block represent

Alkali metals and alkali earth metals

4

What does the D block represent

Metals

5

What does the P block represent

Nonmetals

6

What does the F block represent

Inner transition metals

7

What are group 18 elements called

Noble gases

8

What are group 17 elements called

Halogens

9

What will adding protons do

Yield smaller radii

10

The intermediate electrons will shield the valence electrons from the positive nucleus

Shielding effect

11

Same electron configuration

Isoelectronic

12

Charged Atom

Ion

13

Positive ions

Cation

14

Negative ions

Anion

15

Energy needed to remove an electron

Ionization potential

16

Attraction for electrons within a bond

Electronegativities

17

Statement that there is a periodic repetition of chemical and physical properties of the elements when they arranged by increasing atomic number

Periodic law

18

Elements in groups one, two, and 13 to 18 possesses a wide range of chemical and physical properties

Representative elements

19

Elements in group 3 to 12, classified as metals, nonmetals, and metalloids

Transition elements

20

Atoms tend to gain, lose, or share electrons in order to acquire a full set of eight valence electrons

octet rule