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IPC Chapter 6 Notes

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created 5 years ago by cindyward
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updated 5 years ago by cindyward

Grade levels:
9th grade

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1

In attempting to group elements, Mendeleev used their....

physical and chemical properties

2

When Mendeleev arranged the elements in rows of seven,

all elements in a column had the same valance.

3

The elements of the modern periodic table are arranged in order of increasing...

atomic number

4

Elements of the same family of the periodic table

have similar properties.

5

Elements in the same period of the periodic table

have different properties and change in a regular pattern.

6

Elements on the left side of the table tend to be

active solids.

7

Elements on the right side of the table tend to be

inactive gases.

8

On the periodic table, the number written below the symbol for an element is the

atomic mass

9

Most of the elements on the periodic table are

metals.

10

Moving left to right across a period, the size of atoms

decreases.

11

Moving left to right across a period, the valence number of the atoms

increases and then decreases.

12

In chemical combinations, nonmetals tend to

gain electrons.

13

Which is not a characteristic of metal?

found on the far right of the periodic table.

14

Nonmetals

are brittle and have little or no luster.

15

Alkali metals are always found in nature combined with other elements because they

are very active.

16

Excellent conductors of heat and electricity

transition metals

17

The noble gases are inactive because

their outermost energy levels are complete.

18

What is true about all embers of the halogen family?

They have 7 valance electrons.

19

Example of a metalloid?

no data

20

Are the properties of the elements in a period very similar?

True

21

No two elements have the same atomic number.

True

22

The alkali metals are more reactive than the alkaline earth metals.

True

23

If a substance is ____, it can be drawn into thin wires.

ductile

24

If a substance is ___, it can be hammered into thin sheets.

malleable

25

The elements in a horizontal row of the periodic table form a

period

26

The elements in a vertical column of the periodic table form a

family

27

On the periodic table, chemical properties are most similar for elements located in the same ___

family

28

On the periodic table, chemical properties are most similar for elements located in the same ___

family

29

AT present there are 109 known ____ in the periodic table

elements

30

The number of electrons in the outermost energy level of an element determines the ____ number of the element

valance

31

____is the chemical reaction of metals or atmospheric elements that results in a gradual wearing away of the metal

corrosion

32

Moving from the top to the bottom of the periodic table within the same group or family, the atomic size__

increases

33

Elements on the ____ side of the periodic table require large amounts of energy to remove an electron from the outermost energy level of their atoms

Right


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