The Periodic Table

Getting to Know the Periodic Table

Multiple Choice

The elements are listed on the periodic table H, He, Li, Be...in order of ______.

• Atomic mass

• Atomic number

• State of matter

• Abundance on Earth

The way the Periodic Table is organized tells us about the elements.

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The horizontal rows are called periods.

The period tells the number of electron levels in an atom.

Multiple Choice

How many periods are on the periodic table?

• 3

• 7

• 9

• 18

The vertical columns are called groups.

The group tells the number of valence electrons in an atom.

Only look at the ones place of the group number!

Multiple Choice

What does the group tell us about an atom?

• How many total electrons it has

• How many electron levels it has

• How many valence electrons it has

Multiple Choice

What are valence electrons?

• The ones closest to the nucleus

• The ones on the outside in the shell or cloud

Multiple Choice

How many groups are on the periodic table?

• 3

• 7

• 9

• 8

All the elements that are LEFT of the stair step line are metals, except hydrogen.
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Metals

All the elements that are RIGHT of the stair step line are nonmetals, as well as hydrogen.
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Nonmetals

The elements along the stair step line are metalloids.
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Metalloids

Multiple Choice

What is hydrogen?

• metal

• nonmetal

• metalloid

Multiple Choice

What is silicon?

• metal

• nonmetal

• metalloid

Multiple Choice

What is sodium?

• metal

• nonmetal

• metalloid

Groups/Families

Metals and nonmetals can be broken into smaller groups, based on their properties and location on the periodic table. We will only look at a few of these.

All the elements in the first group (except hydrogen) are alkali metals. They are VERY reactive.
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Alkali Metals

All the elements in the second group are alkaline earth metals. They are really reactive, but not as much as alkali metals.
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Alkaline Earth Metals

All the elements in the 17th group are halogens. They are VERY reactive.
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Halogens

All the elements in the 18th group are noble gases. They are unreactive.
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Noble Gases

All the elements in the middle section are transition metals. These are "typical" metals like gold, iron, copper.
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Transition Metals

Multiple Choice

Which of the following is an alkali metal?

• silver

• chlorine

• lithium

• krypton

Multiple Choice

Which of the following is an alkaline earth metal?

• silver

• chlorine

• magnesium

• krypton

Multiple Choice

Which of the following is a noble gas?

• silver

• chlorine

• lithium

• krypton

Multiple Choice

Which of the following is a transition metal?

• silver

• chlorine

• lithium

• krypton

Multiple Choice

Which of the following is a halogen?

• silver

• chlorine

• lithium

• krypton

Let's put everything we have learned together!

Multiple Choice

What element is found in period 5, group 3 (13)?

• vanadium

• indium

• boron

• aluminum

Multiple Choice

What element is found in period 2, group 1?

• lithium

• beryllium

• helium

• there isn't one there

Multiple Choice

What element has 72 protons?

• germanium

• radium

• nitrogen

• hafnium

Multiple Choice

How many electron shells does an atom of calcium have? *clue octet rule for shells

• 1

• 2

• 4

• 20

Multiple Choice

How many valence electrons does sulfur have?

• 2

• 6

• 8

• 16

Multiple Choice

Which of these elements would be MOST reactive?

• calcium

• oxygen

• fluorine

• neon

Multiple Choice

Which of these elements would be least likely to react/inert?

• sodium

• krypton

• silver

• potassium

• An atom or group of atoms that bears one or more positive or negative electrical charges.

• Positively charged ions are called cations.

• Negatively charged ions are called anions.

• Formed by the loss or gain of one or more electrons

  
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