C2 the periodic table

Question 1

In the early 1800s, which scientist arranged the elements in order of their atomic weights?

Answer 1

Dalton

Question 2

In 1864, which scientist arranged the elements in order of their atomic mass and noticed that the properties of every 8th element were similar, though they did not realise that not all elements had been found?

Answer 2

Newlands

Question 3

In 1869, which scientist arranged the elements by their atomic mass, switched elements when they did not fit the patterns, and left gaps for undiscovered elements which when discovered matched with their predictions?

Answer 3

Mandeleev

Question 4

Now, what are elements ordered by in the periodic table?

Answer 4

Atomic number

Question 5

The ______ _______ of an element determines its position in the periodic table

Answer 5

Atomic number

Question 6

Metals are found on the ____ side of the periodic table

Answer 6

Left

Question 7

Non-metals are found on the _____ side of the periodic table

Answer 7

Right

Question 8

What are the rows of the periodic table called?

Answer 8

Periods

Question 9

What are the columns of the periodic table called?

Answer 9

Groups

Question 10

The atoms of metals tend to ____ electrons

Answer 10

Lose

Question 11

The atoms of non-metals tend to ____ electrons

Answer 11

Gain

Question 12

The noble gases in Group 0 are __________ because they each have a stable full outer shell

Answer 12

Unreactive

Question 13

As you move down Group 0, their boiling points ________

Answer 13

Increase

Question 14

What are the elements in Group 1 called?

Answer 14

Alkali metals

Question 15

As you move down the alkali metals, their melting and boiling points __________

Answer 15

Decrease

Question 16

As you move down the alkali metals their reactivities _________

Answer 16

Increase

Question 17

All group 1 metals react rapidly with _____ and chlorine, and this reactivity increases as you move down the group

Answer 17

Oxygen

Question 18

All group 1 metals react with water to produce ________ and an alkaline solution containing the metal

Answer 18

Hydrogen

Question 19

group 1 metal + water -> metal hydroxide + ?

Answer 19

hydrogen

Question 20

group 1 metal + water -> ? + hydrogen

Answer 20

metal hydroxide

Question 21

group 1 metal + ? -> metal hydroxide + hydrogen

Answer 21

water

Question 22

Alkali metals react to form __ ions in reactions to make ionic compounds which are generally white and dissolve in water to make a colourless solution

Answer 22

1+

Question 23

The group 1 elements get more reactive as you move down the group because the outer electron is less attracted to the nucleus and easier to ____, as there is a greater distance between it and the nucleus, and internal energy levels shield it from the nucleus

Answer 23

Lose

Question 24

What are the elements in Group 7 called?

Answer 24

Halogens

Question 25

Halogens react to form __ ions in their ionic compounds with metals

Answer 25

1-

Question 26

Halogens form covalent compounds by sharing _________ with other non-metals

Answer 26

Electrons

Question 27

As you move down the halogens their reactivities _________

Answer 27

Decrease

Question 28

As you move down the halogens their melting and boiling points _________

Answer 28

Increase

Question 29

A more reactive halogen can ________ a less reactive halogen from an aqueous solution of one of its salts

Answer 29

Displace

Question 30

Trends in reactivity can be explained in terms of attraction between the outermost electrons and the _______

Answer 30

Nucleus

Question 31

Electrostatic attraction between the outermost electrons and the nucleus depends on the ________ between them

Answer 31

Distance

Question 32

GCSE Chemistry C2 The Periodic Table Leave the first rating Profile Picture hubbard-mimi Top creator on Quizlet Save Electrostatic attraction between the outermost electrons and the nucleus depends on the the number of occupied inner shells of electrons, which provide a _________ effect

Answer 32

Shielding

Question 33

Electrostatic attraction between the outermost electrons and the nucleus depends on the size of the positive charge of the _______

Answer 33

Nucleus

Question 34

Compared with alkali metals, transition elements have much ______ melting points and densities

Answer 34

Higher

Question 35

Compared with alkali metals, transition elements are stronger and harder, but also much less ________

Answer 35

Reactive

Question 36

The transition elements do not react vigorously with oxygen or _____

Answer 36

Water

Question 37

A transition element can form ions with different _______

Answer 37

Charges

Question 38

Transition elements form ________ compounds

Answer 38

Coloured

Question 39

Transition elements and their compounds are important industrial _________

Answer 39

Catalysts

Question 40

Transition elements are hard and strong, and have ____ melting points

Answer 40

High