Protons
Neutrons
Electrons
Atoms
Potpourri
100

What is the charge of a proton?

positive

100

What is the charge on a neutron?

Neutral means no charge.

100

What is the charge on the electron?

negative

100

What is the basic building block of matter?

atom

100

Who was the first person to describe the atom?

Democritus

200

Where is a proton located in the atom?

Nucleus

200

Where are neutrons located in the atom?

Nucleus

200

Where are electrons located in the atom?

electron cloud

200

What do we call a material made up of only the same atoms? (hint: all gold atoms)

an element

200

Using a periodic table, what element has the atomic number 2?

Helium

300

What is the weight of a proton?

1 amu

300

What is the weight of a proton?

1 amu

300

What is the weight of an electron?

1/2000 amu

300

If an atom has 3 protons, 3 neutrons, and 3 electrons, the atom is said to be...

neutral

300

Using the periodic table, what element has 10 protons?

Neon

400

How many protons are in the oxygen atom?

8 protons

400

True or False: The number of neutrons in an atom can make it stable or unstable.

True

400

How many electrons can fit in the first energy level of an atom?

two

400

If an atom has 7 protons, 7 neutrons, and 10 electrons, the atom is said to be...

an ion (-3 charge)

400

Using the periodic table, which element has the least number of protons?

Hydrogen

500

Why is the number of protons important in an atom?

The number of protons are unique to each different atom. They give the atom it's name.

500

How many neutrons are represented in this Bohr model of the Oxygen atom?

8 neutrons

500

How many electrons are in the second energy level of this Bohr model?

six

500

If an atom has 3 protons, 4 neutrons, and 3 electrons, what is the atom's atomic mass?

3 protons + 4 neutrons = 7 

500

How many elements are listed on the Periodic Table?

118