The Atom
Isotopes
Name that element!
Trends
Periodic Table
100

Which subatomic particles make up the atomic mass?

What is the neutrons and protons.

100

Write the hyphen form of the isotope name for the information below: (Hyphen form: Name of the element - Atomic Mass)

10 protons

9 neutrons

10 electrons

What is:

Neon-19

100

Third period, eight valence electrons. 

Argon

100

As you go from left to right in the metal side of the periodic table, what happen to the reactivity ?

The reactivity decreases when going left to right on the periodic table.

100

The creator of the Periodic Table

Who is Dmitri Mendeleev

200

This number represents the number of protons in an atom.

What is the atomic number

200

How many neutrons does potassium-40 have?

What is 21.

200

Group 14 nonmetal.

Carbon

200

How many valence electrons does Group 2 have?


2 Valence electrons

200

This group of elements belongs to the family that has 7 valence electrons.

Who are the halogens.

300

Where are electrons located?

What is orbiting around the nucleus in the electron cloud

300

Write the isotope name in hyphen form for the following:

33 protons

41 neutrons

33 electrons

Arsenic-74

300

The element with the highest value for reactivity and electronegativity in Group 17. (Hint: Reactivity decreases as you go down in Group 17)

What is Fluorine.

300

How many valence electrons does Sodium have?


1 valence electrons

300

What do atoms of elements that are in the same group have in common?

They contain the same number of valence electrons.

400

A subatomic particle that has about the same mass as a proton.

 a neutron.

400

Find the following for the isotope:  Cobalt-59.

mass:

protons:

neutrons:

electrons:

What is:

mass: 59

protons: 27

neutrons: 32

electrons: 27

400

The halogen with electrons in the fifth energy level.

Iodine

400

Which element has the greatest reactivity in Group 1? (Hint: Reactivity increases as you go down in Group 1 -Alkali metals)


 Francium.

400

These elements are dull, brittle and poor conductors of electricity.

What are non-metals (located on the right side)

500

Isotopes of an element contain different numbers of what subatomic particle?

What are neutrons.

500

Find the following for Iodine-126

mass:

protons:

neutrons:

electrons:

What is:

mass: 126

protons: 53

neutrons: 73

electrons: 53

500

An alkaline Earth metal that has a smaller atomic radius than Magnesium. (Hint: Remember the "Snow-man shape" The bigger number of period number, the more energy levels(orbits) the atom has , the bigger atomic radius it has) 


What is Beryllium 

500

Which family on the periodic table has no reactivity? Why?


The noble gases 

 Because they already have a full outermost ring.

500

How many groups are on the Periodic Table

What is 18