PTE

Campechano 1

100

Who "invented" the PTE?

Dimitri Mendeleev

300

In the PTE the columns are known as ______ 

Groups or families

400

In the PTE, rows are known as ______

Periods

500

Maximum value for the valence level

7

1000

Which groups of elements are called the representative families? 

"A" groups

Campechano 2

100

The only letter you can't find in the PTE is ____

J

300

Name the properties that increase down and to the left

Atomic radius and metallic character

400

______ is the energy required to remove an electron from a neutral atom.

Ionization energy

500

Maximum number of electrons in the valence level

8

1000

____ is the highest possible value for electronegativity

4. 0

Valence level and electrons

100

How many valence electrons do the halogens have?

7 valence electrons

300

How many valence electrons does the Icosagens family have?

3 valence electrons

400

How many valence electrons does an element with Z=15 have?

5 valence electrons

500

Given the complete electron conf. for chlorine: 1s²2s²2p⁶3s²3p⁵

What is the value for the valence level?

3 (same as the period)

1000

Given the complete electron conf. for galium: [Ar]3d¹⁰4s²4p¹

How many valence electrons does it have?

3 valence electron

Metals, non-metals, metalloids

100

Name 3 physical props. for metals

Malleable, ductile, shiny, solid at RT (except HG), good conductors (heat and electricity)

300

Choose the metalloid: O, Mg, Si, F

Si, silicon 

400

Choose the metal: I, As, N, Ca

Ca, calcium

500

Choose the non-metal: Cr, Ga, N, Sb

N, nitrogen

1000

Name 2 chemical props. for metals

- In combination with oxygen they form metallic oxides.

- In combination with water, they form hydroxides.

Periodic trends

100

Choose the element with the highest metallic character: Be, Li, O, N

Li, lithium

300

Choose the element with the biggest atomic radius: Ra, Mg, Be, Sr

Ra, radium

400

Choose the element with the highest electronegativity value: Ag, Sr, I, Cd

I, iodine

500

Choose the element with the lowest ionization energy value: Si, Ga, Cd, Au

Au, gold

1000

Name the following elements according to the increasing metallic character: Ca, Ti, Ni, K

K, Ca, Ti, Ni