Periodic Table
Atoms
Matter & Energy
Density
Ions
100

What is the top number on a square on the periodic table?


Atomic Number

100

Who created this model:


Niels Bohr

100

Everything in the world is either composed of ______ or ______.

Matter or Energy

100

What is the formula to finding density?

D = m/v

100

How is an Ion formed?

When an electron is given or taken

200

What is the bottom number on a square on the periodic table?


Atomic Mass

200

Who created this model:

JJ Thompson

200

Everything composed of matter is either _____ or a _______.

Pure or a Mixture

200

How do you find the volume of an irregular object?

Get a graduated cylinder, fill it up with water (taller than the object), place the object in the cylinder, subract the original number of milimeters from the number of millimeters after object is in water.

200

what is the most common ion for this element:


Negative or Positive

300

What are the letters in the middle of a square on the periodic table called?


Symbol

300

Who created this model:

Schrodinger

300

Everything that is pure is a(n) __________.

Element

300

How do you find the volume of a regular object?

LxWxH

400

How do you read the periodic table?

Left - Right

Top - Bottom

400

Who created this model:

Rutherford

400

Everything that is a mixture is either _________ or ____________.

Homogeneous or Heterogeneous

400

How do you find the mass of a regular or irregular object?

A balance

500

What does the atomic number also represent?

Protons

500

What are valence electrons?

The number of electrons in the outer most energy level (max of 8).

500

Everything that is a mixture is always a _________ (and sometimes a __________).

Molecule (and sometimes a compound)

500

When mass increases and density decreases, it is called a(n) _________   __________.

When volume increases and density decreases, it is called a(n) _________   _________.

Direct Relationship

Inverse Relationship

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