Atoms and Periodic Table of Elements

The atomic number equals the number of

1 oxygen atom decided to be besties with 2 hydrogen atoms. What did they create?

What color are the actinides?

What color are the lanthanides?

Where is the nucleus of an atom?

Periods in the Periodic Table of Elements are

What kind of metal is gold (Au)?

Which scientist(s) determined electrons are likely to be found in the electron cloud?

There are ______ groups on the Periodic Table of Elements

An atom with 16 protons is a

How many protons in an iron atom?

Atoms can

Who developed this model?

Which element has 11 electrons?

Groups in the Periodic Table of Element are

The atomic number for carbon is 6. How many protons does it have?

The mass number of iron is

Which subatomic particle has no charge (neutral)?

Which subatomic particle has a negative charge?

How many neutrons does beryllium have? (mass number 9, atomic number 4)

Most elements on the Periodic Table are

Group 1 is called

The atomic number for zinc is 30. It has an mass number of 65. How many protons does it have?

Where are electrons likely to be found?

Group 18 is called:

Which subatomic particle has a positive charge?

Where is the stair-step (zig zag)?

Group 17 are the

Atoms of the same element are

The atomic number of iron is

What 2 subatomic particles are located in the nucleus?

The number of electrons is equal to the number of

Who developed this atomic model?

How many electrons are in an oxygen atom?

There are ______ periods in the Periodic Table of Elements

Small particles that make up an atom are called

The number of neutrons is determined by

Who developed this atomic model?