The Periodic Table of Elements

If Lanthanum has 57 protons, how many electrons does it have?

• 27

• 82

• 57

• 56

Check off everything true about Oxygen

• It has 8 protons

• It has 15 neutrons

• It has an Atomis Mass of 15 (rounded)

• It has an Atomic Mass of 16 (rounded)

• It has 8 neutrons

What is "La" a symbol for?

• Lithium

• Lutetium

• Lanthanum

Which element has 1 proton?

• Carbon

• Hydrogen

• Helium

Who was the first person to create the Periodic Table?

• Democritus

• JJ Thompson

• Dmitri Mendeleev

• John Dalton

Fill in the blank: The atomic number is the number of protons and ----- in the nucleus of an atom.

The Atomic Number is the number of protons, and the neutrons, and sometimes the electrons.

• True

• False

The Periodic Table of -----. (this should be the easiest one!)

• Atoms

• Elements

• Protons

• Atomic Mass

Where would you find Flurovlum out in the wild?

• In the vacuum of Space

• In the Amazon Rainforest

• In our houses

• You wouldn't, you'd find it in a lab

--------- are neither metals nor nonmetals