Periodic Table Preview

Every element has a unique symbol on the Periodic Table. For example, He = Helium, K = Potassium, and Na = Sodium. What is the symbol for lead?

The elements are organized on the periodic table into groups. They are color-coded on ptable to support you. Drag and drop each element into its correct group.

Groups:

(a) Alkali Metals

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(b) Transition Metals

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(c) Metalloids

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(d) Noble Gases

• Zinc (Zn)

• Chromium (Cr)

• Krypton (Kr)

• Helium (He)

• Silicon (Si)

• Francium (Fr)

• Nickel (Ni)

• Rubidium (Rb)

• Lithium (Li)

• Argon (Ar)

• Arsenic (As)

• Antimony (Sb)

For each element, we are given the atomic number at the top and the atomic mass at the bottom.

The atomic number tells us how many protons are in the atom. Click on th atomic number for aluminum (Al).

Tags

NGSS.MS-PS1-1

How many protons are in an atom of aluminum (Al)?

Tags

NGSS.MS-PS1-1

For each element, we are given the atomic number at the top and the atomic mass at the bottom.

The atomic mass tells us the mass of the atom in atomic mass units.

Click on th atomic mass for aluminum (Al).

Tags

NGSS.MS-PS1-1

What is the atomic mass of aluminum (Al)?

Do not use spaces or units.

Copper (Cu) was the first discovered element. According to ptable, what year was it discovered?

• 8000 BC

• 4000 BC

• 1492 AD

• 1995 AD

In science, room temperature is considered to be 25^oC. Adjust the temperature on ptable to room temperature. Which two elements are solids at room temperature?

• Iron

• Helium

• Boron

• Mercury

Tags

NGSS.MS-PS1-4

Hydrogen is the most abundant element in the universe. Using ptable, what is the abundance of hydrogen in the universe? What is its abundance in a human? (Choose two answers)

• 75%

• 10%

• 5%

• 95%

Tags

NGSS.MS-PS1-1