Atoms
Elements
Periodic Table
Misc 1
Misc 2
100
A particle in an atom with a positive charge.
What is proton?
100

The element C.

What is carbon?

100
This number tells you the number of protons in an atom's nucleus.
What is atomic number?
100
Anything that has mass and takes up space.
What is matter?
100
Water is an example of a ___________.
What is compound?
200
____________ are small particles that make up most types of matter on Earth.
What are atoms?
200

How many elements are on the periodic table?

There are 118 elements.

200
Most elements found on the left side of the periodic table are __________.
What is metals?
200

The experiment that involved a laser and a gold atom gave us what information about atoms?

It taught us that atoms are mostly empty space.

200

Adding two elements together makes it a ___________.

What is a molecule?

300

A particle in an atom with a negative charge.

What is electrons?

300
What 2 elements combined make table salt?

NaCl

300
Elements on the right side of the periodic table.
What is nonmetals?
300
light beam, heat, thoughts, etc. are examples of things that are ________ ___________.
What is not matter?
300

The smallest unit of matter is called ________.

What is an atom?

400
Ernest Rutherford's experiments showed that most of an atom is made up of _________ ___________.
What is empty space?
400

How do you know how many electrons are in a particular atom?

What is electrons equal the number of protons in an atom.

400
This number reflects the number of neutrons and protons in the nucleus of an atom.
What is mass number?
400

Who discovered the uncharged particles in the nucleus, and named them "neutrons"?

Who is Sir James Chadwick?

400

The number of atoms in this compounds chemical formula C6 H12 O6.

What is 24 atoms?

500

A particle in an atom with a neutral charge.

What is neutron?

500
The chemical symbol for hydrogen is _________.
What is H?
500
Elements in the center of the periodic table.
What is metalloids?
500

Who was the first person to have the idea of atoms, and developed what we call the "Atomic Theory of Matter"?

Who is John Dalton?

500

Who discovered negatively charged particles in atoms, and named them "electrons"?

Who is Sir Joseph John Thomson?

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