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Unit 3: Elements Test Review 2016-2017
Unit 3: Elements Test Review 2014-2015
Terms in this set (14)
Which of the following is the symbol for chlorine?
The chemical symbol for nitrogen is ______.
The chemical symbol for Ca represents ________.
Which of the following is not an element?
helium, nitrogen, water, or Sodium
II, III, IV
Which of the following statements are characteristics of an element?
I. made from a mixture
II. a pure substance
III. represented by a symbol
IV. make up matter on Earth
hydrogen - oceans
Which pair of terms has the same relationship as the following?
Nitrogen - Atmosphere
* Sodium - living matter
* Carbon - oceans
* Hydrogen - oceans
* Calcium - living matter
Which element is found in the oceans and the atmosphere?
Uranium, Nitrogen, Gold, or Oxygen
Complete the analogy.
C : living matter :: ____________ : atmosphere
carbon and oxygen
What two elements make up most of the mass of the human body?
What percent do Ca and Na make up the Earth's crust?
The particles are too small to observe.
What is the advantage of using models to study elements?
Raise your hand and wait for the teacher to help you.
During a laboratory experiment, your lab group runs out of a mystery element you are testing. Your teacher is helping another lab group, but you notice that the supply room door is open. What should you do?
Which of the following substances is an element?
The chemical formula for baking soda, a common household chemical, is NaHCO3. How many elements are in this compound?
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