Subatomic Particles
Structure of an Atom
Reading an Element Block
Identity
Reactivity
Arrangement of the period table
Who am I?
100

Which of the 3 subatomic particles has a positive charge?

Protons

100

What is the name of the small dense structure is in the center of the atom that holds the protons and the neutrons?

Nucleus

100

What is represented by the letter A?

Atomic Number

100

What determines the identity of an atom?


(what do I need in order to go find it on the periodic table?)

The number of protons which is the Atomic Number

100
A scientist is studying the reactivity of elements. What should he count to determine the reactivity of an element?

Valence Electrons

100

The up and down columns are called ________

Groups

100

I am an electrically neutral atom that has an atomic number of 5. Who am I?

Boron (B)

200

Which of the 3 subatomic particles has a neutral charge (no charge) 

Neutrons

200

What is the name of the structure of an atom that is outside the nucleus and contains the electrons?

Electron cloud

200

What does the atomic number directly refer to?

Number of protons

200

What is the atomic number of this atom?

3


Because there are 3 protons

200

If an atom has an outer shell that is full of valence electrons (8) would it be considered highly reactive or non-reactive?

Non-reactive


Full shell is non-reactive and stable

200

The side to side rows are called _______ and tell you how many ________ ________ an element has

Periods


Energy levels (rings)

could also be called shells

200

I am an electrically neutral atom that contains 9 protons, 9 electrons and 10 neutrons. Who am I?

Fluorine (F)

300

Which of the 3 subatomic particles has a negative charge

Electrons

300

An atom is made up of mostly _______ _______

Empty Space

300

What else does the atomic number tell you?

The number of electrons

300

What is the identity of this atom?

Carbon (C)


Because there are 6 protons in the model and Carbon has atomic number 6

300

If an atom has only 1 valence electron in its outer shell, would it be considered highly reactive or non-reactive?

Highly reactive


The less valence electrons the more reactive (angry)

300

What color is the box that surrounds the Group number?

Blue

Group number is the top and has no letters

300

I am an electrically neutral atom that contains 4 neutrons, 3 electrons, and some protons. Who am I?

Lithium (Li)

400

Which 2 subatomic particles are located inside the nucleus?

Protons and Neutrons

400

Which structure makes up most of an atoms mass?

Nucleus


Because the only particles that have mass (protons and neutrons) are in the nucleus

400

What determines the identity of an atom?

(what do I need in order to go find it on the periodic table?)

The number of protons which is the Atomic Number

400

What is the identity of this atom?

Helium (He)


Because it has 2 protons which means it has an atomic number of 2 

400

Where are valence electrons located?

Outer most energy level

400

What color is the box that surrounds the period number?

Red


Period number tells you how many energy levels (shells or rings) every element has in that row (all the way across)

400

What is my identity (who am I)

Beryllium (Be)

500

Which subatomic particle orbits around the nucleus on the energy levels in the electron cloud?

Electrons

500

Which structure makes up most of an atoms volume?

Electron cloud


Electron cloud is full of empty space and is what makes the atom take up space

500

How many protons does this element contain?

How many electrons does this element contain?

11 protons and 11 electrons

Because the atomic number is 11 and atomic number tells you how many protons and also how many electrons


500

What is the identity of this atom?

Nitrogen (N)


Because it has 7 protons which means it has an atomic number of 7

500

How many valence electrons does this atom contain?

3


Count the electrons on the outermost shell

500
If 2 elements are in Period 3 what do they have in common?

They have the same number of energy levels. 

They both have 3 energy levels

500

What is my identity (who am I)

Neon (Ne)

600

Which 2 subatomic particles both have a mass of 1amu?

Protons and Neutrons

600

If the nucleus is full of protons with a positive charge, and neutrons with a neutral (no charge) charge. What is the charge of the entire nucleus?

Positive


Positive charges and no charges = positive charge

600

How many protons does this element have?

How many electrons does this element have?

1 proton and 1 electron

Because the atomic number is 1 and atomic number tells you how many protons and also how many electrons

600

An electrically neutral atom contains 5 protons, 5 electrons, and 6 neutrons. What is the identity of this atom?

Boron (B)


5 protons means it has an atomic number of 5

600

Which colored box tells you how many valence electrons that column of elements contains

Green box


The numbers that have the letter "A" next to them tell you how many valence electrons

600

If two elements are in the same group what do they have in common?

They have the same number of _________

Same number of valence electrons

600

I am in group 17.

I have 7 valence electrons and 3 energy levels

Who am I?

Chlorine (Cl)

700

Which subatomic particle has a mass of 0amu?

Electrons

700

If the electron cloud is full of empty space and electrons, what is the charge of entire electron cloud?

Negative


Because electrons have a negative charge

700

What is represented by letter B?

Atomic Mass

700

Identify the element that has 10 protons 

Neon (Ne)


10 protons means it has atomic number 10

700

Which element is more reactive, Potassium (K) or Krypton (Kr)?

Potassium (K) is more reactive


When you find potassium go to the top of the column and find the number with the letter "A".  

Potassium (K) is under 1A meaning it has 1 valence which makes it highly reactive

Krypton (Kr) is under 8A which means it has 8 valence electrons. 8 is a full shell which makes it non reactive

700
How many valence electrons do the all of the elements in group 13 contain?

3 valence electrons


The valence number under the group number says 3A which means they all have 3 valence electrons

700

I am in Group 13 

I have 3 valence electrons and 4 energy levels

Who am I?

Gallium (Ga)

800

Which of the 3 subatomic particles has the smallest mass?

Electrons

800
If an atom is considered electrically neutral, that means it has the same number of ________ and _________

Protons and electrons



same number of positive particles (protons) and negative particles (electrons)

800

What does the atomic mass tell you?

Protons + neutrons added together
800

Identify the that has 11 protons and 12 neutrons

Sodium (Na)


11 protons means it has an atomic number of 11

800

Which family on the periodic table is the most reactive?

Alkali Metals (Group 1)


Because they are all under 1A meaning they all have 1 valence electron and are highly reactive. 

800

What is the Family name of Group 1?

Alkali Metals

Most reactive family

800

What is my identity? (who am I)

Argon (Ar)


8 valence electrons and 3 energy levels

900

Where are valence electrons located?

On the outermost energy level (ring)

900

Is this atom electrically neutral?

Yes


3 protons (positive)  and 3 electrons (negative)

900

How man protons does this element have? 

How many electrons does this element have?

54 protons

54 electrons


Atomic number directly refers to number of protons

Atomic number also tells you how many electrons

900

Identify the element that has 36 protons

Krypton (Kr)


36 protons means it has an atomic number of 36

900

Which family on the periodic table is the least reactive?

Noble Gases


Because they are under 8A which  means they all have 8 valence electrons (besides He) and full outer shells. 

900

What is the Family name of Group 2?

Alkaline Earth Metals

900

What is my identity? (Who am I)

Boron (B)

2 energy levels and 3 valence electrons

1000

If the nucleus is full of protons with a positive charge, and neutrons with a neutral (no charge) charge. What is the charge of the entire nucleus?

Positive


Positive charges and no charges = positive charge

1000

How do you find the mass of an atom?


Add everything in the nucleus together (protons + neutrons)

1000

How many protons does this element have?

How many electrons does this element have?

15 protons

15 electrons


Atomic number directly refers to the number of protons

Atomic number also tells you how many electrons

1000

Identify the element that has 33 protons and 42 neutrons. 

Arsenic (Ar)

1000

Why is Argon (Ar) less likely to react than Sodium (Na)?

Because Argon (Ar) has a full outer shell

1000

What is the Family name of Group 17?

Halogens

1000

I am in the Noble gases family and I have 5 energy levels

Who am I?

Xenon (Xe)


Group 18, period 5

1100

Can you identify the subatomic particles represented by letter A, B, C?

A = Electron (outside the nucleus)

B = Neutron (in the nucleus but no charge)

C = Proton (in the nucleus with a positive charge)

1100

What is the mass of this atom?

7

3 protons + 4 neutrons = mass of 7

1100

How many neutrons does this element have?

6


Round the atomic mass to 11. 

Atomic mass - atomic number = neutrons

11-5=6


1100

What is the identity of an electrically neutral atom that contains 26 neutrons, 22 electrons and some protons?

Titanium (Ti)


You didn't have protons, but in an electrically neutral atom the protons and electrons are the same number

1100

Describe the reactivity of this element (highly reactive, moderately reactive, or non-reactive)

Moderately reactive

1100

What is the Family name of Group 18?

Noble Gases

1100

I am in the Alkaline Earth Metals family and I have 3 energy levels

Who am I?

Magnesium (Mg)