Atoms

​Atoms

READ EACH SLIDE BEFORE ANSWERING QUESTIONS. THE QUESTIONS ARE BASED ON THE INFORMATION PRESENTED.

• Atoms are the smallest form of matter.

• Atoms are made of particles with different charges. ​

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Atoms

• ​Protons have a positive charge.

• Neutrons act like "glue" and hold the protons together.

• Neutrons have no charge. ​

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​Some text here about the topic of discussion.

The Nucleus

• Orbiting around the nucleus, the electron cloud contains electrons.

• Electrons have a negative charge. ​

• Electrons (negative) cancel out protons' positive charge. ​

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Electron Cloud

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• Atomic Number - Number of protons (and electrons).

• Atomic Mass - protons + neutrons​

• EX: Sulfur has 16 protons, 16 electrons, and 16 neutrons (32-16=16)​

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Element Tile

Multiple Choice

How many protons does this element have?

• 1

• 20

• 40

• 60

Multiple Choice

Atoms are made up of ________________

• energy

• electrons

• subatomic particles

• gasses

Multiple Choice

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

Multiple Choice

The following subatomic particles are in the nucleus.

• Protons and nucleus.

• Protons and neutrons.

• Protons and electrons

• Neutrons and electrons

Multiple Choice

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons

Multiple Choice

A proton has a ___________ charge.

• positive

• negative

• neutral

• massive.

Multiple Choice

An electron has a _________ charge

• positive

• neutral

• negative

• massive

Multiple Choice

The number of protons in an atom is called the .....

• Mass

• Atomic Number

• Nucleus

• Orbital

Multiple Choice

The mass number of an atom is the mass of ______ + _____

• protons + neutrons

• protons + electrons

• neutrons + nucleus

• protons + nucleus

Multiple Choice

How many electrons does this element have?

• 25

• 26

• 29

• 30

Multiple Choice

What is this element's atomic number?

• 10

• 11

• 20

• 20.1797

Multiple Choice

What is the element's atomic mass?

• 8

• 16

• 30

• 32.066

Multiple Choice

How many electrons does this element have?

• 20

• 39

• 40

• 40.078

Multiple Choice

Subatomic particles with a positive charge

• neutrons

• atomic mass

• protons

• isotopes

Multiple Choice

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Multiple Choice

Which subatomic particle has a neutral or no charge?

• Proton

• Electron

• Neutron

Multiple Choice

An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?

• 15

• 31

• 16

• 47

• Atoms are identified by the number of protons in the nucleus.

• Atomic Number = protons in the nucleus. ​

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Atoms - Identity

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Identify #4

• proton

• neutron

• electron

• nucleus

Multiple Choice

Fill in the empty cell.

• 1
• 4
• 5
• 9

Multiple Choice

How many protons does indium have?

• 49

• 66

• 114

• 115

• Electrons exist on different "rings" around the nucleus. ​

• Each level contains a certain amount of electrons. ​

Energy Levels​

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• The electrons on the outermost level (or ring) are referred to as "valence electrons."

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Valence Electrons

Multiple Choice

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Multiple Choice

How many valence electrons?

• 2

• 3

• 4

• 5

Multiple Choice

How many valence electrons?

• 2

• 3

• 4

• 5

Multiple Choice

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

Multiple Choice

What is the atomic number of this element?

• 17

• 18

• 35

• 35.453

Multiple Choice

How many energy levels does neon (Ne) have?

• 1

• 18

• 2

• 10

• Rows - horizontal columns on the periodic table that. Elements in​ the same row share the same number of ENERGY LEVELS.

• EX: ​Elements in row 5 all have 5 energy levels.

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Periodic Table - ROWS

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• Groups are verticle columns on the periodic table.

• Elements in the same group share the same number of VALENCE ELCTRONS​.

• EX: Group fifteen - 5 valence electrons​

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Periodic table - GROUPS

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Multiple Choice

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

Multiple Choice

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

Multiple Choice

A vertical column is called...

• group
• tower
• period
• crew

Multiple Choice

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Multiple Choice

What do the groups on the periodic table tell us?

• The number of orbitals

• The number of valence electrons (electrons on the outer most shell)

Multiple Choice

What do the rows on the periodic table tell us?

• The number of energy levels

• The number of valence electrons (electrons on the outer most shell)

Multiple Choice

What are the horizontal rows on the periodic table called?

• rows

• groups

• metals

• nonmetals

• metalloids

Multiple Choice

Name this group: These metals are the most reactive.

Multiple Choice

I am a nonmetal

I am in row 2

I am in group 16/6A

• Ba

• Si

• O

• S

Multiple Choice

I am a metal

I am in group 2

I am in row 6

I am…

• Mo

• Re

• S

• Ba

Multiple Choice

What does the C represent?

• atomic mass

• atomic number

• element name

• chemical symbol

Multiple Choice

What does the 6 represent?

• atomic mass

• atomic number

• element name

• chemical symbol

• Atoms will BOND with other atoms in order to "fill" their outermost energy level.

• In order to be happy, an atom wants 8 electrons on its outermost ring to be happy. ​

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Reactivity

Atoms in the same GROUP have the same CHEMICAL PROPERTIES (reactivity). ​

• Groups 1 and 17 are highly reactive​.

• Group 18 is the most stable. ​

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​Some text here about the topic of discussion.

Reactivity

Multiple Choice

These two elements have similar chemical properties to Barium (Ba).

• Ca and Ra, because they are in the same group.

• Cs and La, because they are in the same period number.

• Ca and Y, because they are 90 degree angle.

Multiple Choice

How many valence electrons are elements trying to reach in their outer shells?

• 1
• 2
• 5
• 8

Multiple Choice

Which two groups on the Periodic Table are the MOST reactive?

• Group 1 and Group 17
• Group 2 and Group 16
• Group 13 and Group 15
• Group 17 and Group 18

Multiple Choice

What determines the reactivity of an element?

• Size of its nucleus
• Number of total electrons
• Number of valence electrons
• Number of shells

Multiple Choice

How do you determine the number of valence electrons an element has?

• Look at its period
• Look at its group
• Look at its atomic number
• Look at its atomic mass

Multiple Choice

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Multiple Choice

Which elements have the most similar chemical properties?

• boron and carbon

• oxygen and sulfur

• aluminum and bromine

• argon and silicon

Multiple Choice

 

What element contains 7 protons and 5 valence electrons?

• Boron

• Vanadium

• Nitrogen

• Lithium

Multiple Choice

A student is shown a picture of the atom to the side. What element, based on the subatomic particles in the atom, is shown?

• Beryllium

• Lithium

• Helium

• Oxygen

Multiple Choice

Compare the data shown in the table. What reasonable conclusion can be made from the information given?

• Element 1 has the same atomic mass as Element 4

• Element 3 has a very similar chemical properties as Element 4

• Element 1 has very similar chemical properties as Element 3

• None of the above

Multiple Choice

Tin, Sn, is a soft white metal. It has a low melting point compared with other metals. Tin is widely used as a coating for cans of food. Which statement accurately describes atoms of tin?

• Tin atoms have 50 protons.

• Tin atoms have five valence electrons.

• Tin atoms have 119 neutrons.

• Tin atoms have 68 electrons.

Multiple Choice

Students were asked to identify the location of elements in the periodic table based on clues printed on game cards.

Based on the data, which periodic table shows the correct location of the four elements?