Periodic Table and Elements

Parts of an Atom

100

What does the atomic number represent?

Number of Protons

200

What is located in the nucleus?

Protons and Neutrons

300

Where are electrons located?

In the electron shells

around the nucleus

electron clouds

400

Up to how many electrons can exist for the following: 

1st shell:________

2nd shell:_______

3rd shell: _______

1st shell: 2

2nd shell: 8

3rd shell: 8 (or 18)

500

Name the 4 parts of an atom and their charges.

Protons (positive) 

Electrons (negative) 

Neutrons (neutral)

Nucleus (positive)

Atom Models

100

How many valence electrons does Aluminum have?

3

200

How many electron shells does Xenon have?

5

300

How many neutrons does Magnesium have (atomic #=12; atomic mass= 24.305 amu)

12 neutrons

400

Draw a bohr model for Nitrogen

  

500

Draw a bohr model for Chlorine

  

Periodic Table Groups

100

What group of elements are known for having a shiny appearance

metals

200

What is the name of group 1 elements?

alkali metals

300

Which group is known for being all gas elements?

group 8

400

Which group has seven valence electrons? *You must name the group name as well as number*

group 7- Halogens

500

A new element is discovered and is found to have properties of conductor of heat and electricity. What could this element be categorized as? 

A metal or metalloid

Periodic Table Periods

100

This period contains 2 elements in it.

Period 1

200

What period has three electron shells?

period 3

300

What period has an energy level of 5.

Period 5

400

What does n represent?

The energy level or period number

500

What is our formula for calculating the maximum number of electrons in a shell?

2n²

Periodic Table Trends

100

Which element is the most electronegative element on the periodic table?

Fluorine (F)

200

As you move down the periodic table, how does atomic radius change?

it increases as you go down

300

What does ionization energy represent?

The amount of energy required to remove an electron from a neutral atom

400

Describe what electronegativity represents and how it changes left to right and up to down

The tendency/ability of an atom to attract electrons

left to right- increases

top to bottom- decreases

500

How does the ionic radius change when an element becomes a cation?

Cations will become smaller (overall positive charge on the atom so electrons are pulled closer to the nucleus)