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Matter 1
Matter 2
Atomic Structure
1
Atomic Structure
2
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100
Anything that has mass and takes up space.
What is matter?
100
A block of pure metallic gold can be classified as what?
What is an element?
100
Protons, neutrons and electrons are particles of this?
What is an atom?
100
The positively charged particle in the atom.
What is the proton?
100
The mass number of an element is the number of protons plus the number of what?
What are neutrons?
200
When two elements are combined they form a what?
What is a compound?
200
The state of matter that is not commonly found on earth?
What is plasma?
200
The center of the atom is called this.
What is the nucleus?
200

These subatomic particles (2) weigh approximately 1 amu.

What is a proton and neutron?

200
This state of matter has a definite size and a definite shape/volume.
What is a solid?
300
What are the two main categories that matter can be classified as?
What are substances and mixtures?
300
Chicken noodle soup would be classified as what type of mixture?
What is a heterogenous mixture?
300

These subatomic particles are found in the nucleus of an atom.

What are protons and neutrons?

300

This subatomic particle weighs approximately 0 amu.

What is an electron?

300
An isotope of mercury has 80 protons and 120 neutrons, what is the atomic number of this element?
What is 80?
400
What would water (H20) be classified?
What is a compound?
400
An unopened can of soda would be considered what kind of mixture?
What is a homogenous mixture?
400

This subatomic atom has a negative charge.

What is an electron?

400
This model shows electrons in a fixed orbit around the nucleus.
What is the Bohr Model?
400
The element Sodium (Na) has a mass number of 23 and the atomic number of 11. How many neutrons does Sodium have?
What is 12?
500
Silver tarnishes when it comes into contact with hydrogen sulfide. What type of property is this, chemical or physical?
What is a chemical property?
500
Moisture in the air forms beads of water on a window. What type of change is this, physical or chemical.
What is a physical change?
500
Atoms of the same element that have the same number of protons but different number of neutrons.
What is an isotope?
500

The number of these subatomic particles determines the atomic number of an element.

What is a proton?

500
John Dalton came up with which theory.
What is Dalton's Atomic Theory?