The property used to identify an element and determine if it is a pure substance.
What is Density?
100
Over 100 of these are found on the periodic table.
What is an element?
100
Co2 is a?
Compound
100
Name: Calcium
Symbol: Ca
Atomic Number: 20
Atomic Mass: 40.078 amu
Calcium will have how many electrons in its outermost shell?
10
200
Mass/Volume will help you find?
Density
200
To determine the density of a sample of matter you must know these two quantities.
What is mass and volume?
200
Elements are made of what?
The same type of atoms.
200
C6 H12 O6
Compound
200
Name: Zinc
Symbol: Zn
Atomic Number:
Atomic Mass: 65.39 amu
Number of Protons/Electrons: 30
Number of Neutrons: 35
Given the information above what is the atomic number of Zinc?
30
The number of Protons in the nucleus.
300
Burning wood is what kind of change? Why?
Chemical change
300
This is the temperature at which a solid turns into a liquid.
What is melting point?
300
The atomic number of a substance can tell us two things about the atomic structure of that element.
What is the number of protons and electrons?
300
Fe (Iron) is a?
Element
300
Name: Krypton
Symbol: Kr
Atomic Number: 36
Atomic Mass: ?
Number of Protons/Electrons: 36
Number of Neutrons: 48
Given the information above what is the atomic mass of Krypton?
84
400
This property best describes why metals are used for making pots and pans used for cooking.
What is metals have a low specific heat and a high melting point?
400
Burning, rotting, rusting, and the formation of precipitates are all examples or evidences of this kind of change/reaction.
What is a Chemical change/reaction?
400
Name: Oxygen
Symbol: O
Atomic Number: 8
Atomic Mass: 15.9994 amu
How many protons are in Oxygen?
8
400
An _____________ cannot be separated into simpler materials
Element
400
Name: Potassium
Symbol: K
Atomic Number: 19
Atomic Mass: 39.0983 amu
Number of Protons/Electrons: 19
Number of Neutrons: ?
Given the information above how many neutrons are in Potassium?
20
500
What is the density of a block of wood that measures 120 g and 4 cm3?
30 g/cm3
500
Describe 3 ways in which matter can change from one state to another.
These are negativly charged and help determine how and what the element can bond with to make compounds. For an element to be stable it must have 8 of these in its outer shell.
What are electrons?
500
A combination of different substances that remain the same individual substances.
Mixture
500
Name: Neon
Symbol: Ne
Atomic Number: 10
Atomic Mass: 20.1797 amu
Number of Protons/Electrons: 10
Number of Neutrons: 10
Given the information above. Draw the element neon.