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History of Chemistry
Parts of an Atom
Energy and Waves
Periodicity
Chemical Bonds
200
Names for elements comes from the English or __________ name.
latin
200
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
200

This is the maximum velocity of the Universe.

The speed of light (c)

200
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200

In a double bond, how many electrons are shared?

4

400

Niels Bohr created which Atomic design that we still use today, even though it is inaccurate?

Orbital Model (Solar System Model)

400
These particles are located within the nucleus, and have no charge.
Neutron
400

These are the lowest energy waves on the electromagnetic spectrum

Radio

400

Which two values make up the elements mass?

Protons and Neutrons

400

What is the force behind Ionic bonding?

Opposite Charges

600

Which Scientist conducted an experiment that determined the structure of an atom, including the locations of the particles with Gold.

Ernest Rutherford

600
Most of the mass of an atom is located here.
nucleus
600

As wavelength decreases, ______ increases

frequency

600

Atoms of the same element always have the same number of protons. However, sometimes different atoms of the same element can have a different number of neturons. These different varieties are called this.

Isotopes

600
What two groups are most likely to form an ionic bond?

Alkalis and Halogens

800

Which Scientist discovered the mass of an electron?

J.J. Thomson

800
These particles have a positive charge and are found inside the nucleus.
proton
800

Energy is calculated by multiplying frequency and ___________.

Planck's Constant

800

What are the names of the Metalloid Elements?

Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium

800

Which group has the lowest electronegativity values?

Noble Gases

1000

Which scientist is credited with designing the modern Periodic Table?

Dmitri Mendeleev

1000

In a stable element, what two items must be balanced?

Protons and Electrons
1000

The value of Planck's Constant is ________

6.62 x 10-34 J(s)

1000

Which direction does Atomic Radii Trend on the periodic table?

Increases from Top to Bottom, and Right to Left

Decreases from Bottom to Top, and Left to Right

1000

Two substances have an electronegativity difference of 0.25. What is the predicted bond type?

Covalent / Metallic