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Flashcards in Practice Test Deck (23):
1

A column or family on the periodic table is called a

Group

2

Any element in groups 3-12 is a

Transition metal

3

In grouping the elements, Mendeleev, used their

Atomic Mass, chemical and physical properties

4

How many valence e- does Tellurium have and what's its oxidation number

6, -2

5

What occurs in a in a regular repeating pattern on Mendeleev's table

Chemical/physical properties

6

The modern periodic law states that physical and chemical properties of elements are functions of their

Atomic number

7

Elements in the same family on the periodic table

Group

8

Elements on the far left of the periodic table tend to be

Metals

9

Elements on the far right side tend to be

Non- metals

10

Define and give an example of a metalloids

It has metallic and nonmetallic properties an example is Si

11

Except for the metalloids what do all of the elements on the right side of the stair step have in common

Non metals

12

Be able to identify elements on the periodic table by atomic number or symbol and also be able to determine their number of valence- e and oxidation number

.

13

A horizontal row of elements is called a

Period

14

The outermost electrons on an atom are called _______________ electrons

Valence

15

The first people to notice a connection between atomic mass and properties were

Dobreiner / Newlands

16

What is the periodic trend for electro negativity

Increase > ^

17

What is the periodic trend for ionization energy

Increase > ^

18

The tendency for atoms to try and get and keep a full outer shell of electrons is called

Octet rule

19

The outermost shell of electrons is called

Valence e-

20

Gaining or losing electrons is called

Ionization

21

The ____________ is the relative size of an atom

Atomic Radi

22

____________ put the elements in mass order from the lightest to the heaviest first

Never

23

Group 3-12 on the periodic table are called

Transition metals