Question 1

Which part of an atom has a positive charge?

Accepted Answer

Proton

Answer

Nucleus

Answer

Electron

Answer

Neutron

Question 2

Which subatomic particle has a negative charge?

Accepted Answer

Electron

Answer

Neutron

Answer

Proton

Answer

Nucleus

Question 3

Which part of an atom has no electric charge?

Accepted Answer

Neutron

Answer

Proton

Answer

Nucleus

Answer

Electron

Question 4

Which part of an atom contains almost all of its mass?

Accepted Answer

Nucleus

Answer

Electron

Answer

Proton

Answer

Neutron

Question 5

Which subatomic particle determines the chemical properties of an element?

Accepted Answer

Electron

Answer

Neutron

Answer

Proton

Answer

Nucleus

Question 6

Which subatomic particle is located outside the nucleus of an atom?

Accepted Answer

Electron

Answer

Neutron

Answer

Proton

Answer

Nucleus

Question 7

Which part of an atom determines its atomic number?

Accepted Answer

Proton

Answer

Nucleus

Answer

Electron

Answer

Neutron

Question 8

What is the group number for halogens?

Accepted Answer

17

Answer

5

Answer

2

Answer

4

Question 9

Which group on the periodic table contains noble gases?

Accepted Answer

18

Answer

14

Answer

5

Answer

1

Question 10

Which group on the periodic table contains alkali metals?

Accepted Answer

1

Answer

4

Answer

8

Answer

12

Question 11

Which groups on the periodic table contains transition metals?

Accepted Answer

3-12

Answer

1-12

Answer

1-2

Answer

13-18

Question 12

How many valence electrons does chlorine have?

Accepted Answer

7

Answer

2

Answer

4

Answer

6

Question 13

How many valence electrons does sodium have?

Accepted Answer

1

Answer

6

Answer

8

Answer

2

Question 14

How many valence electrons does helium have?

Accepted Answer

2

Answer

8

Answer

4

Answer

6

Question 15

Elements that are in the same group have similar chemical properties because they all have the..

Accepted Answer

same number of valence electrons

Answer

same number of electons and neutrons in their nucleus

Answer

same number of protons and neutrons in their nucleus

Answer

same number of protons

Question 16

What is a valence electron?

Accepted Answer

an electron in the outermost shell or energy level

Answer

an electron in the second or third shell or energy level

Answer

an electron that is positively charged

Answer

an electron is in the shell closest to the nucleus

Question 17

Groups or families on the periodic table can be described as...

Accepted Answer

the vertical columns 1-18

Answer

horizontal rows 1-7

Answer

horizontal columns 1-18

Answer

vertical rows 1-7

Question 18

Periods can be described as...

Accepted Answer

1-7 horizontal rows

Answer

1-7 vertical columns

Answer

1-18 vertical columns

Answer

1-18 horizontal rows

Question 19

In each new period you will see different amounts of electron shells.  How many electron shells or energy levels do elements in period 4 have?

Accepted Answer

4

Answer

5

Answer

8

Answer

3

Question 20

As you move left to right across the periodic table the number of electrons _______________.

Accepted Answer

increases

Answer

decreases

Answer

increases then decreases

Answer

stays the same

Question 21

Which element is commonly used as a semiconductor in electronics and is a metalloid?

Accepted Answer

Silicon

Answer

Carbon

Answer

Helium

Answer

Oxygen

Question 22

Which element is commonly used in batteries?

Accepted Answer

Lithium

Answer

Potassium

Answer

Sodium

Answer

Calcium

Question 23

Metals that are highly reactive are known as the ....

Accepted Answer

alkali metals

Answer

noble gases

Answer

transition metals

Answer

halogens

Question 24

Elements that have their electron shells full and are stable are part of the __________________ family/group.

Accepted Answer

noble gases

Answer

halogens

Answer

alkali metals

Answer

transition metals

Question 25

Identify the three main types of elements on the periodic table that have similar properties.

Accepted Answer

Blue = Metals , Green = Metalloids,  Red = Non Metals

Answer

Blue = Non Metals , Green =  Metals,  Red = Metalloids

Answer

Blue = Metalloids , Green = Non Metals,  Red = Metals

Answer

Blue = Metals , Green = Non Metals,  Red = Metalloids

Question 26

Which property describes elements that are metals?

Accepted Answer

conducts electricity and heat

Answer

dull

Answer

brittle

Answer

includes many gases

Question 27

Which choice below is not a property of nonmetals?

Accepted Answer

luster (shiny)

Answer

brittle

Answer

does not conduct electricity or heat

Answer

dull

Question 28

Which description below is not true of metalloids?

Accepted Answer

Metalloids include elements that are solids, liquids, and gases at room temperature.

Answer

Electronic devices use metalloids like Silicon to avoid overheating of processors in phones and computers.

Answer

They can be found on the staircase or zigzag line on the periodic table.

Answer

Metalloids can be semiconductors of electricity and heat.

Question 29

What is the atomic mass of oxygen?

Accepted Answer

almost 16u

Answer

15u

Answer

over 18u

Answer

14u

Question 30

The father of the periodic table is ____________________ who organized the elements by their atomic mass. Later ___________________________ updated the table to the modern day organization according to the elements atomic number.

Accepted Answer

Dmitri Mendelev, Henry Moseley

Answer

Henry Moseley, Antoie Lavosier

Answer

Henry Moseley, Dmitri Mendelev

Answer

Antoine Lavosier, Dmitri Mendelev

Question 31

The atomic number can be found at the top of every square on the periodic table. What does the number actually represent?

Accepted Answer

# of protons in an element

Answer

# of neutrons in an element

Answer

# of electrons in an element

Answer

# of valence electrons

Question 32

Which choice below describe the trend of atomic mass on the periodic table?

Accepted Answer

Atomic mass increases left to right and as you move down the periodic table.

Answer

Atomic mass decrease left to right and as you move upwards in groups.

Answer

Atomic mass decreases left to right and stay the same moving up or down.

Answer

Atomic mass increases left to right and as you move up the periodic table and decreases as you move down the table.

Question 33

The letters used to represent elements in each square of the table are known as this.

Accepted Answer

element symbol

Answer

unit

Answer

abbreviation

Answer

code

Question 34

How many elements are currently discovered on the periodic table?

Accepted Answer

118

Answer

220

Answer

94

Answer

120

Question 35

What is the element symbol for Gold?

Accepted Answer

Au

Answer

AU

Answer

gd

Answer

Gd

Question 36

What does a Lewis Dot Structure represent in this example of Carbon?

Accepted Answer

valence electrons

Answer

neutrons

Answer

electrons

Answer

valence neutrons

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