Chemistry Prefixes
Parts of an Atom
Atomic Masses
What is Matter?
Atomic Numbers

100

Km equal to 

1000m

100

The inner part of an atom that contains the proton and the neutron is called the __________.

Nucleus

100

The mass of an electron is much -------- than that a proton

smaller

100

This is anything that takes up space (has a mass).

matter

100

Atomic numbers of an atom are the same as the number of what in an atom?

protons

200

a milligram equal 

.001g or 10^-3 g

200

These particles have a positive charge and are found inside the nucleus.

proton

200

Atomic masses are measured in what?

AMU

200

The smallest pieces of matter are called __________.

atoms

200

Carbon's atomic number is _______.

6

300

a centimeter is equal to 

.01 m

300

These particles are located within the nucleus, and have no charge.

Neutron

300

A proton has the atomic mass of what?

1

300

What type of a mixture is black coffee? 

homogeneous mixture

300

What element has a number of 56?

barium

400

a microgram is equal to 

10^-9 g

400

These particles are negatively charge and are found outside the nucleus.

electrons

400

A neutron has the atomic mass of what?

1

400

aluminium foil is a?

pure substance

400

Why does hydrogen have an atomic number of 1?

because it only has one proton

500

a micrometer is equal to 

10^-6 m

500

Most of the mass of an atom is located here.

nucleus

500

The atomic mass equals the mass of ?

protons and neutrons

500

Water is a?

compound

500

Some atoms have more ___________, which makes it an isotope 

neutrons