Parts of an Atom
Matter and Atomic Masses
Atomic Numbers
Chemical Bonds
Chemical Reactions and Balancing Equations
100
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
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
100

Bonds in which electrons float around metal atoms are called?

Metalic Bond

100

The type of chemical reaction represented by the equation A + B --> AB is called?

Synthesis or Combination reaction

200
These particles have a positive charge and are found inside the nucleus.
proton
200
The smallest pieces of matter are called __________.
atoms
200
Carbon's atomic number is _______.
6
200

The bond between a metal and a non-metal called

Ionic Bond

200

In the equation 2Fe2O3 + 3C --> 4Fe + 3CO2 numbers in front of the chemical formula are called what?

Coefficients
300
These particles are located within the nucleus, and have no charge.
Neutron
300
A neutron has the atomic mass of what?
1
300

What element has a number of 56?

Barium

300

In an ionic bond does the metal gain or lose electrons? 

Loses electrons

300

In a single replacement reaction what element gets replaced (the metal or non-metal)?

Metal

400
These particles are negatively charge and are found outside the nucleus.
electrons
400
A proton has the atomic mass of what?
1
400
Why does hydrogen have an atomic number of 1?
because it only has one proton
400

Bonds in which electrons are shared are called?

Covalent bonds

400

In the equation 2Fe2O3 + 3C --> 4Fe + 3CO2 little numbers are called what?

The subscript

500
Most of the mass of an atom is located here.
nucleus
500
Atomic masses are measured in what?
AMU
500
Some atoms have more ___________, which makes it an isotope and gives it a negative charge
electrons
500

When an atom gains an electron what charge does it have?

Negative

500

Is the equation 2Fe2O3 + 3C --> 4Fe + 3CO2 balanced?

Yes

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