NAME______Date______
HOMEROOM______
SCIENCEPractice TESTChapter 1
Use your periodic table for this practice test
Relax! Take a deep breath! Count backwards from 10! Now take your quiz!
- How would you classify Sodium (NA)- metal, nonmetal, or metalloid?
______
- Name two noble gases:
- Which elements have the following symbols?
- Ne ______
- Mn______
- O______
- H ______
- I ______
- Si ______
- Identify each of these as a physical or chemical property.
- Weight:______
- Flammability:______
- Ninety-six percent of the human body is made of oxygen, nitrogen, hydrogen and
a)Silicon
b)Carbon
c)Sodium
d)Nitrogen
- Which metal is liquid at room temperature?
a)Nickel
b)Mercury
c)Copper
d)Gold
- What is the chemical symbol for the element Iron? ______
- What does the number on top of the Chemical Symbols in each block of the periodic table mean? ______
- The ______of an object measures the amount of matter in the object. (weight, mass)
- The ______of an object measures the pull of gravity on the object. (weight, mass)
- Elements in the ______table are organized according to their chemical properties. (element, periodic)
- Two different compounds can contain the same ______. (elements, molecule)
- All salts can form______. (cubes/crystals)
- The compounds in a ______are not chemically combined. (solute, mixture)
- One property of most salts is that they melt at ______
______. (high temperatures, low temperatures)
- Two atoms that have the same number of protons must be the same ______. (element, molecule)
- What is the atomic number ofMercury?______What does this number mean?
- How are atoms and molecules related?
- How are compounds and molecules related?
- The atoms of an element have 7 protons, 7 neutrons, and 7 electrons. What is the atomic number of this element? What is the name and chemical symbol of this element?
The atomic number is ______.
The name of the element is ______.
The chemical symbol of the element is ______.
- What does the statement, “The properties of salts are different from the properties of the elements that make them” mean? Include an example in your answer.
- What is an alloy? Give an example of an alloy and tell why it is better than a pure metal.
- Explain how you would separate a mixture of water, sand, salt, and iron fillings into its four component parts.
- The atomic number of Oxygen is 8. The atomic weight (atomic mass) of Oxygen is 16. How many protons, neutrons, and electrons are in an oxygen atom?
- Draw an atom with 2 protons, 2 electrons and 2 neutrons. Identify and label the following parts: nucleus, neutrons, protons, electrons.