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Unit 1 Part 1

Test Description: Periodic table

Instructions: Answer all questions to get your test result.

1) 1. According to the periodic table, which statement correctly describes the change from a neutral atom of an element to its ion?

AA fluorine atom forms a F1- ion by losing one electron. BA sodium atom forms a Na1+ ion by losing two electrons. CA magnesium atom forms a Mg2+ ion by gaining two electrons. DA phosphorus atom forms a P3- ion by gaining three electrons

2) Which of the following is NOT a property of sodium?

AIs a transition metal BAtomic number is 11 CSymbol is Na DHas one valence electron

3) Using the Periodic Table, Iodine (I) would have chemical properties most like

Amanganese (Mn) Bchlorine (Cl) Cxenon (Xe) Dtellurium (Te

4) Which of the following pairs of atoms is unlikely to form a compound?

Apotassium (K) and iodine (I) Bneon (Ne) and argon (Ar) Ccalcium (Ca) and chlorine (Cl) Dmagnesium (Mg) and sulfur (S)

5) According to the periodic table, the neutral atom of what element has 4 protons, 5 neutrons, and 4 electrons?

Aberyllium Bfluorine Caluminum Dboron

6) The elements neon and argon are NOT reactive. Which hypothesis BEST explains this?

AThey are not stable atoms. BThey tend to give up all of their valence electrons easily. CThey are not readily available on Earth DThey have the maximum possible number of electrons in their outermost shell

7) Which group forms 2+ ions?

AGroup 1 BGroup 17 CGroup 16 DGroup 2

8) All atoms of Oxygen have....

A8 electrons B8 protons C8 neutrons Da mass of 16

9) An ion of Chlorine has 18 electrons, 17 protons and 19 neutrons. What is its atomic number?

A17 B19 C18 D36

10) Which of these elements is a nonmetal?

ANitrogen BSodium CTin DBismuth

*select an answer for all questions

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