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Periodic Table Flashcards | StudBud

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Periodic Table

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Questions 8

Answers

1
Which of the following two ingredients can combine to make a compound?
sodium and chlorine
sugar and water
milk and cereal
sodium bicarbonate and water
2
What is an element?
A substance that consists of only one type of atom
Substance that can't be broken down into a simpler substance
All of the above.
A substance found on the periodic table
3
How are neutrons different from protons and electrons?
they do not have a charge
they have a negative charge
they have a positive charge
4
Which of the following is a true statement?
mixtures are chemically combined
compounds are mixtures
elements are the only pure substances
compounds and elements are both pure substances
5
Which of the following is a heterogeneous mixture?
salt water
milk
trail mix
koolaid
6
How is a compound different from a mixture?
compounds are chemically combined
compounds can be physically separated
compounds are homogeneous or heterogeneous
7
Which of the following substances is acidic?
Distilled water (C)
Baking Soda (A)
Lemon Lime Soft Drink (B)
Soap (D)
8
Oxygen has an atomic number of 8. What can you conclude from this fact?
Oxygen has 8 neutrons
Oxygen is a metalloid
Oxygen has 8 electrons
Oxygen has 4 protons